34 files changed, 366 insertions, 246 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1cfd3bbc9..8bd7e5f72 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -27,6 +27,7 @@ if (MSVC)
     # /Zo                 - Enhanced debug info for optimized builds
     # /permissive-        - Enables stricter C++ standards conformance checks
     # /EHsc               - C++-only exception handling semantics
+    # /utf-8              - Set source and execution character sets to UTF-8
     # /volatile:iso       - Use strict standards-compliant volatile semantics.
     # /Zc:externConstexpr - Allow extern constexpr variables to have external linkage, like the standard mandates
     # /Zc:inline          - Let codegen omit inline functions in object files
@@ -38,6 +39,7 @@ if (MSVC)
         /permissive-
         /EHsc
         /std:c++latest
+        /utf-8
         /volatile:iso
         /Zc:externConstexpr
         /Zc:inline
diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h
index 71b64e32a..4ace2cd33 100644
--- a/src/common/common_funcs.h
+++ b/src/common/common_funcs.h
@@ -52,9 +52,13 @@ __declspec(dllimport) void __stdcall DebugBreak(void);
 // Generic function to get last error message.
 // Call directly after the command or use the error num.
 // This function might change the error code.
-// Defined in Misc.cpp.
+// Defined in misc.cpp.
 [[nodiscard]] std::string GetLastErrorMsg();
 
+// Like GetLastErrorMsg(), but passing an explicit error code.
+// Defined in misc.cpp.
+[[nodiscard]] std::string NativeErrorToString(int e);
+
 #define DECLARE_ENUM_FLAG_OPERATORS(type)                                                          \
     [[nodiscard]] constexpr type operator|(type a, type b) noexcept {                              \
         using T = std::underlying_type_t<type>;                                                    \
diff --git a/src/common/fiber.cpp b/src/common/fiber.cpp
index 3c1eefcb7..39532ff58 100644
--- a/src/common/fiber.cpp
+++ b/src/common/fiber.cpp
@@ -116,16 +116,19 @@ void Fiber::Rewind() {
     boost::context::detail::jump_fcontext(impl->rewind_context, this);
 }
 
-void Fiber::YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to) {
-    ASSERT_MSG(from != nullptr, "Yielding fiber is null!");
-    ASSERT_MSG(to != nullptr, "Next fiber is null!");
-    to->impl->guard.lock();
-    to->impl->previous_fiber = from;
-    auto transfer = boost::context::detail::jump_fcontext(to->impl->context, to.get());
-    ASSERT(from->impl->previous_fiber != nullptr);
-    from->impl->previous_fiber->impl->context = transfer.fctx;
-    from->impl->previous_fiber->impl->guard.unlock();
-    from->impl->previous_fiber.reset();
+void Fiber::YieldTo(std::weak_ptr<Fiber> weak_from, Fiber& to) {
+    to.impl->guard.lock();
+    to.impl->previous_fiber = weak_from.lock();
+
+    auto transfer = boost::context::detail::jump_fcontext(to.impl->context, &to);
+
+    // "from" might no longer be valid if the thread was killed
+    if (auto from = weak_from.lock()) {
+        ASSERT(from->impl->previous_fiber != nullptr);
+        from->impl->previous_fiber->impl->context = transfer.fctx;
+        from->impl->previous_fiber->impl->guard.unlock();
+        from->impl->previous_fiber.reset();
+    }
 }
 
 std::shared_ptr<Fiber> Fiber::ThreadToFiber() {
diff --git a/src/common/fiber.h b/src/common/fiber.h
index f7f587f8c..f2a8ff29a 100644
--- a/src/common/fiber.h
+++ b/src/common/fiber.h
@@ -41,7 +41,7 @@ public:
 
     /// Yields control from Fiber 'from' to Fiber 'to'
     /// Fiber 'from' must be the currently running fiber.
-    static void YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to);
+    static void YieldTo(std::weak_ptr<Fiber> weak_from, Fiber& to);
     [[nodiscard]] static std::shared_ptr<Fiber> ThreadToFiber();
 
     void SetRewindPoint(std::function<void(void*)>&& rewind_func, void* rewind_param);
diff --git a/src/common/misc.cpp b/src/common/misc.cpp
index 1d5393597..495385b9e 100644
--- a/src/common/misc.cpp
+++ b/src/common/misc.cpp
@@ -12,27 +12,41 @@
 
 #include "common/common_funcs.h"
 
-// Generic function to get last error message.
-// Call directly after the command or use the error num.
-// This function might change the error code.
-std::string GetLastErrorMsg() {
-    static constexpr std::size_t buff_size = 255;
-    char err_str[buff_size];
-
+std::string NativeErrorToString(int e) {
 #ifdef _WIN32
-    FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(),
-                   MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), err_str, buff_size, nullptr);
-    return std::string(err_str, buff_size);
-#elif defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600))
+    LPSTR err_str;
+
+    DWORD res = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                                   FORMAT_MESSAGE_IGNORE_INSERTS,
+                               nullptr, e, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                               reinterpret_cast<LPSTR>(&err_str), 1, nullptr);
+    if (!res) {
+        return "(FormatMessageA failed to format error)";
+    }
+    std::string ret(err_str);
+    LocalFree(err_str);
+    return ret;
+#else
+    char err_str[255];
+#if defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600))
     // Thread safe (GNU-specific)
-    const char* str = strerror_r(errno, err_str, buff_size);
+    const char* str = strerror_r(e, err_str, sizeof(err_str));
     return std::string(str);
 #else
     // Thread safe (XSI-compliant)
-    const int success = strerror_r(errno, err_str, buff_size);
-    if (success != 0) {
-        return {};
+    int second_err = strerror_r(e, err_str, sizeof(err_str));
+    if (second_err != 0) {
+        return "(strerror_r failed to format error)";
     }
     return std::string(err_str);
+#endif // GLIBC etc.
+#endif // _WIN32
+}
+
+std::string GetLastErrorMsg() {
+#ifdef _WIN32
+    return NativeErrorToString(GetLastError());
+#else
+    return NativeErrorToString(errno);
 #endif
 }
diff --git a/src/core/core.cpp b/src/core/core.cpp
index de6305e2a..305f56ff1 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -299,28 +299,17 @@ struct System::Impl {
             gpu_core->WaitIdle();
         }
 
-        // Shutdown emulation session
         services.reset();
         service_manager.reset();
         cheat_engine.reset();
         telemetry_session.reset();
-
-        // Close all CPU/threading state
         cpu_manager.Shutdown();
-
-        // Release the Time Manager's resources
         time_manager.Shutdown();
-
-        // Shutdown kernel and core timing
         core_timing.Shutdown();
-        kernel.Shutdown();
-
-        // Close app loader
         app_loader.reset();
         gpu_core.reset();
         perf_stats.reset();
-
-        // Clear all applets
+        kernel.Shutdown();
         applet_manager.ClearAll();
 
         LOG_DEBUG(Core, "Shutdown OK");
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp
index 8f04fb8f5..bdb374792 100644
--- a/src/core/cpu_manager.cpp
+++ b/src/core/cpu_manager.cpp
@@ -148,7 +148,7 @@ void CpuManager::MultiCoreRunSuspendThread() {
         auto core = kernel.GetCurrentHostThreadID();
         auto& scheduler = *kernel.CurrentScheduler();
         Kernel::KThread* current_thread = scheduler.GetCurrentThread();
-        Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[core].host_context);
+        Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
         ASSERT(scheduler.ContextSwitchPending());
         ASSERT(core == kernel.GetCurrentHostThreadID());
         scheduler.RescheduleCurrentCore();
@@ -245,7 +245,7 @@ void CpuManager::SingleCoreRunSuspendThread() {
         auto core = kernel.GetCurrentHostThreadID();
         auto& scheduler = *kernel.CurrentScheduler();
         Kernel::KThread* current_thread = scheduler.GetCurrentThread();
-        Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context);
+        Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[0].host_context);
         ASSERT(scheduler.ContextSwitchPending());
         ASSERT(core == kernel.GetCurrentHostThreadID());
         scheduler.RescheduleCurrentCore();
@@ -271,7 +271,7 @@ void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
         scheduler.Unload(scheduler.GetCurrentThread());
 
         auto& next_scheduler = kernel.Scheduler(current_core);
-        Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext());
+        Common::Fiber::YieldTo(current_thread->GetHostContext(), *next_scheduler.ControlContext());
     }
 
     // May have changed scheduler
@@ -363,7 +363,7 @@ void CpuManager::RunThread(std::size_t core) {
 
         auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
         data.is_running = true;
-        Common::Fiber::YieldTo(data.host_context, current_thread->GetHostContext());
+        Common::Fiber::YieldTo(data.host_context, *current_thread->GetHostContext());
         data.is_running = false;
         data.is_paused = true;
         data.exit_barrier->Wait();
diff --git a/src/core/crypto/aes_util.cpp b/src/core/crypto/aes_util.cpp
index 6a9734812..cb7506241 100644
--- a/src/core/crypto/aes_util.cpp
+++ b/src/core/crypto/aes_util.cpp
@@ -105,8 +105,6 @@ void AESCipher<Key, KeySize>::Transcode(const u8* src, std::size_t size, u8* des
             }
         }
     }
-
-    mbedtls_cipher_finish(context, nullptr, nullptr);
 }
 
 template <typename Key, std::size_t KeySize>
diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp
index bb5f43b53..e7de48476 100644
--- a/src/core/hle/kernel/k_scheduler.cpp
+++ b/src/core/hle/kernel/k_scheduler.cpp
@@ -734,7 +734,7 @@ void KScheduler::ScheduleImpl() {
     }
     guard.unlock();
 
-    Common::Fiber::YieldTo(*old_context, switch_fiber);
+    Common::Fiber::YieldTo(*old_context, *switch_fiber);
     /// When a thread wakes up, the scheduler may have changed to other in another core.
     auto& next_scheduler = *system.Kernel().CurrentScheduler();
     next_scheduler.SwitchContextStep2();
@@ -769,13 +769,8 @@ void KScheduler::SwitchToCurrent() {
                     break;
                 }
             }
-            std::shared_ptr<Common::Fiber>* next_context;
-            if (next_thread != nullptr) {
-                next_context = &next_thread->GetHostContext();
-            } else {
-                next_context = &idle_thread->GetHostContext();
-            }
-            Common::Fiber::YieldTo(switch_fiber, *next_context);
+            auto thread = next_thread ? next_thread : idle_thread;
+            Common::Fiber::YieldTo(switch_fiber, *thread->GetHostContext());
         } while (!is_switch_pending());
     }
 }
@@ -800,9 +795,9 @@ void KScheduler::Initialize() {
     std::string name = "Idle Thread Id:" + std::to_string(core_id);
     std::function<void(void*)> init_func = Core::CpuManager::GetIdleThreadStartFunc();
     void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
-    auto thread_res = KThread::Create(system, ThreadType::Main, name, 0,
-                                      KThread::IdleThreadPriority, 0, static_cast<u32>(core_id), 0,
-                                      nullptr, std::move(init_func), init_func_parameter);
+    auto thread_res = KThread::CreateThread(
+        system, ThreadType::Main, name, 0, KThread::IdleThreadPriority, 0,
+        static_cast<u32>(core_id), 0, nullptr, std::move(init_func), init_func_parameter);
     idle_thread = thread_res.Unwrap().get();
 }
 
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index 1661afbd9..e0f53287c 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -995,22 +995,11 @@ std::shared_ptr<Common::Fiber>& KThread::GetHostContext() {
     return host_context;
 }
 
-ResultVal<std::shared_ptr<KThread>> KThread::Create(Core::System& system, ThreadType type_flags,
-                                                    std::string name, VAddr entry_point,
-                                                    u32 priority, u64 arg, s32 processor_id,
-                                                    VAddr stack_top, Process* owner_process) {
-    std::function<void(void*)> init_func = Core::CpuManager::GetGuestThreadStartFunc();
-    void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
-    return Create(system, type_flags, name, entry_point, priority, arg, processor_id, stack_top,
-                  owner_process, std::move(init_func), init_func_parameter);
-}
-
-ResultVal<std::shared_ptr<KThread>> KThread::Create(Core::System& system, ThreadType type_flags,
-                                                    std::string name, VAddr entry_point,
-                                                    u32 priority, u64 arg, s32 processor_id,
-                                                    VAddr stack_top, Process* owner_process,
-                                                    std::function<void(void*)>&& thread_start_func,
-                                                    void* thread_start_parameter) {
+ResultVal<std::shared_ptr<KThread>> KThread::CreateThread(Core::System& system,
+                                                          ThreadType type_flags, std::string name,
+                                                          VAddr entry_point, u32 priority, u64 arg,
+                                                          s32 processor_id, VAddr stack_top,
+                                                          Process* owner_process) {
     auto& kernel = system.Kernel();
 
     std::shared_ptr<KThread> thread = std::make_shared<KThread>(kernel);
@@ -1027,12 +1016,35 @@ ResultVal<std::shared_ptr<KThread>> KThread::Create(Core::System& system, Thread
     auto& scheduler = kernel.GlobalSchedulerContext();
     scheduler.AddThread(thread);
 
-    thread->host_context =
-        std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter);
-
     return MakeResult<std::shared_ptr<KThread>>(std::move(thread));
 }
 
+ResultVal<std::shared_ptr<KThread>> KThread::CreateThread(
+    Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point, u32 priority,
+    u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process,
+    std::function<void(void*)>&& thread_start_func, void* thread_start_parameter) {
+    auto thread_result = CreateThread(system, type_flags, name, entry_point, priority, arg,
+                                      processor_id, stack_top, owner_process);
+
+    if (thread_result.Succeeded()) {
+        (*thread_result)->host_context =
+            std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter);
+    }
+
+    return thread_result;
+}
+
+ResultVal<std::shared_ptr<KThread>> KThread::CreateUserThread(
+    Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point, u32 priority,
+    u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process) {
+    std::function<void(void*)> init_func = Core::CpuManager::GetGuestThreadStartFunc();
+
+    void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
+
+    return CreateThread(system, type_flags, name, entry_point, priority, arg, processor_id,
+                        stack_top, owner_process, std::move(init_func), init_func_parameter);
+}
+
 KThread* GetCurrentThreadPointer(KernelCore& kernel) {
     return kernel.GetCurrentEmuThread();
 }
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index c8ac656a4..1c19b23dc 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -116,7 +116,7 @@ public:
     using WaiterList = boost::intrusive::list<KThread>;
 
     /**
-     * Creates and returns a new thread. The new thread is immediately scheduled
+     * Creates and returns a new thread.
      * @param system The instance of the whole system
      * @param name The friendly name desired for the thread
      * @param entry_point The address at which the thread should start execution
@@ -127,12 +127,12 @@ public:
      * @param owner_process The parent process for the thread, if null, it's a kernel thread
      * @return A shared pointer to the newly created thread
      */
-    [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> Create(
+    [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> CreateThread(
         Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
         u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process);
 
     /**
-     * Creates and returns a new thread. The new thread is immediately scheduled
+     * Creates and returns a new thread, with a specified entry point.
      * @param system The instance of the whole system
      * @param name The friendly name desired for the thread
      * @param entry_point The address at which the thread should start execution
@@ -145,11 +145,27 @@ public:
      * @param thread_start_parameter The parameter which will passed to host context on init
      * @return A shared pointer to the newly created thread
      */
-    [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> Create(
+    [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> CreateThread(
         Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
         u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process,
         std::function<void(void*)>&& thread_start_func, void* thread_start_parameter);
 
+    /**
+     * Creates and returns a new thread for the emulated "user" process.
+     * @param system The instance of the whole system
+     * @param name The friendly name desired for the thread
+     * @param entry_point The address at which the thread should start execution
+     * @param priority The thread's priority
+     * @param arg User data to pass to the thread
+     * @param processor_id The ID(s) of the processors on which the thread is desired to be run
+     * @param stack_top The address of the thread's stack top
+     * @param owner_process The parent process for the thread, if null, it's a kernel thread
+     * @return A shared pointer to the newly created thread
+     */
+    [[nodiscard]] static ResultVal<std::shared_ptr<KThread>> CreateUserThread(
+        Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
+        u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process);
+
     [[nodiscard]] std::string GetName() const override {
         return name;
     }
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 331cf3a60..780008b08 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -181,9 +181,9 @@ struct KernelCore::Impl {
             std::string name = "Suspend Thread Id:" + std::to_string(i);
             std::function<void(void*)> init_func = Core::CpuManager::GetSuspendThreadStartFunc();
             void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
-            auto thread_res = KThread::Create(system, ThreadType::HighPriority, std::move(name), 0,
-                                              0, 0, static_cast<u32>(i), 0, nullptr,
-                                              std::move(init_func), init_func_parameter);
+            auto thread_res = KThread::CreateThread(
+                system, ThreadType::HighPriority, std::move(name), 0, 0, 0, static_cast<u32>(i), 0,
+                nullptr, std::move(init_func), init_func_parameter);
 
             suspend_threads[i] = std::move(thread_res).Unwrap();
         }
@@ -221,10 +221,9 @@ struct KernelCore::Impl {
     // Gets the dummy KThread for the caller, allocating a new one if this is the first time
     KThread* GetHostDummyThread() {
         const thread_local auto thread =
-            KThread::Create(
+            KThread::CreateThread(
                 system, ThreadType::Main, fmt::format("DummyThread:{}", GetHostThreadId()), 0,
-                KThread::DefaultThreadPriority, 0, static_cast<u32>(3), 0, nullptr,
-                []([[maybe_unused]] void* arg) { UNREACHABLE(); }, nullptr)
+                KThread::DefaultThreadPriority, 0, static_cast<u32>(3), 0, nullptr)
                 .Unwrap();
         return thread.get();
     }
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 73b85d6f9..9d5956ead 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -40,8 +40,9 @@ namespace {
 void SetupMainThread(Core::System& system, Process& owner_process, u32 priority, VAddr stack_top) {
     const VAddr entry_point = owner_process.PageTable().GetCodeRegionStart();
     ASSERT(owner_process.GetResourceLimit()->Reserve(LimitableResource::Threads, 1));
-    auto thread_res = KThread::Create(system, ThreadType::User, "main", entry_point, priority, 0,
-                                      owner_process.GetIdealCoreId(), stack_top, &owner_process);
+    auto thread_res =
+        KThread::CreateUserThread(system, ThreadType::User, "main", entry_point, priority, 0,
+                                  owner_process.GetIdealCoreId(), stack_top, &owner_process);
 
     std::shared_ptr<KThread> thread = std::move(thread_res).Unwrap();
 
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index cc8fa6576..326d3b9ec 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -1532,8 +1532,9 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
     std::shared_ptr<KThread> thread;
     {
         KScopedLightLock lk{process.GetStateLock()};
-        CASCADE_RESULT(thread, KThread::Create(system, ThreadType::User, "", entry_point, priority,
-                                               arg, core_id, stack_bottom, &process));
+        CASCADE_RESULT(thread,
+                       KThread::CreateUserThread(system, ThreadType::User, "", entry_point,
+                                                 priority, arg, core_id, stack_bottom, &process));
     }
 
     const auto new_thread_handle = process.GetHandleTable().Create(thread);
diff --git a/src/core/network/network.cpp b/src/core/network/network.cpp
index 681e93468..526bfa110 100644
--- a/src/core/network/network.cpp
+++ b/src/core/network/network.cpp
@@ -7,6 +7,7 @@
 #include <limits>
 #include <utility>
 #include <vector>
+#include "common/common_funcs.h"
 
 #ifdef _WIN32
 #define _WINSOCK_DEPRECATED_NO_WARNINGS // gethostname
@@ -90,15 +91,36 @@ LINGER MakeLinger(bool enable, u32 linger_value) {
     return value;
 }
 
-int LastError() {
-    return WSAGetLastError();
-}
-
 bool EnableNonBlock(SOCKET fd, bool enable) {
     u_long value = enable ? 1 : 0;
     return ioctlsocket(fd, FIONBIO, &value) != SOCKET_ERROR;
 }
 
+Errno TranslateNativeError(int e) {
+    switch (e) {
+    case WSAEBADF:
+        return Errno::BADF;
+    case WSAEINVAL:
+        return Errno::INVAL;
+    case WSAEMFILE:
+        return Errno::MFILE;
+    case WSAENOTCONN:
+        return Errno::NOTCONN;
+    case WSAEWOULDBLOCK:
+        return Errno::AGAIN;
+    case WSAECONNREFUSED:
+        return Errno::CONNREFUSED;
+    case WSAEHOSTUNREACH:
+        return Errno::HOSTUNREACH;
+    case WSAENETDOWN:
+        return Errno::NETDOWN;
+    case WSAENETUNREACH:
+        return Errno::NETUNREACH;
+    default:
+        return Errno::OTHER;
+    }
+}
+
 #elif YUZU_UNIX // ^ _WIN32 v YUZU_UNIX
 
 using SOCKET = int;
@@ -108,9 +130,6 @@ using ULONG = u64;
 constexpr SOCKET INVALID_SOCKET = -1;
 constexpr SOCKET SOCKET_ERROR = -1;
 
-constexpr int WSAEWOULDBLOCK = EAGAIN;
-constexpr int WSAENOTCONN = ENOTCONN;
-
 constexpr int SD_RECEIVE = SHUT_RD;
 constexpr int SD_SEND = SHUT_WR;
 constexpr int SD_BOTH = SHUT_RDWR;
@@ -162,10 +181,6 @@ linger MakeLinger(bool enable, u32 linger_value) {
     return value;
 }
 
-int LastError() {
-    return errno;
-}
-
 bool EnableNonBlock(int fd, bool enable) {
     int flags = fcntl(fd, F_GETFD);
     if (flags == -1) {
@@ -179,8 +194,43 @@ bool EnableNonBlock(int fd, bool enable) {
     return fcntl(fd, F_SETFD, flags) == 0;
 }
 
+Errno TranslateNativeError(int e) {
+    switch (e) {
+    case EBADF:
+        return Errno::BADF;
+    case EINVAL:
+        return Errno::INVAL;
+    case EMFILE:
+        return Errno::MFILE;
+    case ENOTCONN:
+        return Errno::NOTCONN;
+    case EAGAIN:
+        return Errno::AGAIN;
+    case ECONNREFUSED:
+        return Errno::CONNREFUSED;
+    case EHOSTUNREACH:
+        return Errno::HOSTUNREACH;
+    case ENETDOWN:
+        return Errno::NETDOWN;
+    case ENETUNREACH:
+        return Errno::NETUNREACH;
+    default:
+        return Errno::OTHER;
+    }
+}
+
 #endif
 
+Errno GetAndLogLastError() {
+#ifdef _WIN32
+    int e = WSAGetLastError();
+#else
+    int e = errno;
+#endif
+    LOG_ERROR(Network, "Socket operation error: {}", NativeErrorToString(e));
+    return TranslateNativeError(e);
+}
+
 int TranslateDomain(Domain domain) {
     switch (domain) {
     case Domain::INET:
@@ -290,9 +340,7 @@ Errno SetSockOpt(SOCKET fd, int option, T value) {
     if (result != SOCKET_ERROR) {
         return Errno::SUCCESS;
     }
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return Errno::SUCCESS;
+    return GetAndLogLastError();
 }
 
 } // Anonymous namespace
@@ -308,14 +356,12 @@ NetworkInstance::~NetworkInstance() {
 std::pair<IPv4Address, Errno> GetHostIPv4Address() {
     std::array<char, 256> name{};
     if (gethostname(name.data(), static_cast<int>(name.size()) - 1) == SOCKET_ERROR) {
-        UNIMPLEMENTED_MSG("Unhandled gethostname error");
-        return {IPv4Address{}, Errno::SUCCESS};
+        return {IPv4Address{}, GetAndLogLastError()};
     }
 
     hostent* const ent = gethostbyname(name.data());
     if (!ent) {
-        UNIMPLEMENTED_MSG("Unhandled gethostbyname error");
-        return {IPv4Address{}, Errno::SUCCESS};
+        return {IPv4Address{}, GetAndLogLastError()};
     }
     if (ent->h_addr_list == nullptr) {
         UNIMPLEMENTED_MSG("No addr provided in hostent->h_addr_list");
@@ -359,9 +405,7 @@ std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) {
 
     ASSERT(result == SOCKET_ERROR);
 
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return {-1, Errno::SUCCESS};
+    return {-1, GetAndLogLastError()};
 }
 
 Socket::~Socket() {
@@ -380,9 +424,7 @@ Errno Socket::Initialize(Domain domain, Type type, Protocol protocol) {
         return Errno::SUCCESS;
     }
 
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return Errno::SUCCESS;
+    return GetAndLogLastError();
 }
 
 std::pair<Socket::AcceptResult, Errno> Socket::Accept() {
@@ -391,9 +433,7 @@ std::pair<Socket::AcceptResult, Errno> Socket::Accept() {
     const SOCKET new_socket = accept(fd, &addr, &addrlen);
 
     if (new_socket == INVALID_SOCKET) {
-        const int ec = LastError();
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return {AcceptResult{}, Errno::SUCCESS};
+        return {AcceptResult{}, GetAndLogLastError()};
     }
 
     AcceptResult result;
@@ -412,23 +452,14 @@ Errno Socket::Connect(SockAddrIn addr_in) {
         return Errno::SUCCESS;
     }
 
-    switch (const int ec = LastError()) {
-    case WSAEWOULDBLOCK:
-        LOG_DEBUG(Service, "EAGAIN generated");
-        return Errno::AGAIN;
-    default:
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return Errno::SUCCESS;
-    }
+    return GetAndLogLastError();
 }
 
 std::pair<SockAddrIn, Errno> Socket::GetPeerName() {
     sockaddr addr;
     socklen_t addrlen = sizeof(addr);
     if (getpeername(fd, &addr, &addrlen) == SOCKET_ERROR) {
-        const int ec = LastError();
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return {SockAddrIn{}, Errno::SUCCESS};
+        return {SockAddrIn{}, GetAndLogLastError()};
     }
 
     ASSERT(addrlen == sizeof(sockaddr_in));
@@ -439,9 +470,7 @@ std::pair<SockAddrIn, Errno> Socket::GetSockName() {
     sockaddr addr;
     socklen_t addrlen = sizeof(addr);
     if (getsockname(fd, &addr, &addrlen) == SOCKET_ERROR) {
-        const int ec = LastError();
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return {SockAddrIn{}, Errno::SUCCESS};
+        return {SockAddrIn{}, GetAndLogLastError()};
     }
 
     ASSERT(addrlen == sizeof(sockaddr_in));
@@ -454,9 +483,7 @@ Errno Socket::Bind(SockAddrIn addr) {
         return Errno::SUCCESS;
     }
 
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return Errno::SUCCESS;
+    return GetAndLogLastError();
 }
 
 Errno Socket::Listen(s32 backlog) {
@@ -464,9 +491,7 @@ Errno Socket::Listen(s32 backlog) {
         return Errno::SUCCESS;
     }
 
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return Errno::SUCCESS;
+    return GetAndLogLastError();
 }
 
 Errno Socket::Shutdown(ShutdownHow how) {
@@ -489,14 +514,7 @@ Errno Socket::Shutdown(ShutdownHow how) {
         return Errno::SUCCESS;
     }
 
-    switch (const int ec = LastError()) {
-    case WSAENOTCONN:
-        LOG_ERROR(Service, "ENOTCONN generated");
-        return Errno::NOTCONN;
-    default:
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return Errno::SUCCESS;
-    }
+    return GetAndLogLastError();
 }
 
 std::pair<s32, Errno> Socket::Recv(int flags, std::vector<u8>& message) {
@@ -509,17 +527,7 @@ std::pair<s32, Errno> Socket::Recv(int flags, std::vector<u8>& message) {
         return {static_cast<s32>(result), Errno::SUCCESS};
     }
 
-    switch (const int ec = LastError()) {
-    case WSAEWOULDBLOCK:
-        LOG_DEBUG(Service, "EAGAIN generated");
-        return {-1, Errno::AGAIN};
-    case WSAENOTCONN:
-        LOG_ERROR(Service, "ENOTCONN generated");
-        return {-1, Errno::NOTCONN};
-    default:
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return {0, Errno::SUCCESS};
-    }
+    return {-1, GetAndLogLastError()};
 }
 
 std::pair<s32, Errno> Socket::RecvFrom(int flags, std::vector<u8>& message, SockAddrIn* addr) {
@@ -541,17 +549,7 @@ std::pair<s32, Errno> Socket::RecvFrom(int flags, std::vector<u8>& message, Sock
         return {static_cast<s32>(result), Errno::SUCCESS};
     }
 
-    switch (const int ec = LastError()) {
-    case WSAEWOULDBLOCK:
-        LOG_DEBUG(Service, "EAGAIN generated");
-        return {-1, Errno::AGAIN};
-    case WSAENOTCONN:
-        LOG_ERROR(Service, "ENOTCONN generated");
-        return {-1, Errno::NOTCONN};
-    default:
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return {-1, Errno::SUCCESS};
-    }
+    return {-1, GetAndLogLastError()};
 }
 
 std::pair<s32, Errno> Socket::Send(const std::vector<u8>& message, int flags) {
@@ -564,18 +562,7 @@ std::pair<s32, Errno> Socket::Send(const std::vector<u8>& message, int flags) {
         return {static_cast<s32>(result), Errno::SUCCESS};
     }
 
-    const int ec = LastError();
-    switch (ec) {
-    case WSAEWOULDBLOCK:
-        LOG_DEBUG(Service, "EAGAIN generated");
-        return {-1, Errno::AGAIN};
-    case WSAENOTCONN:
-        LOG_ERROR(Service, "ENOTCONN generated");
-        return {-1, Errno::NOTCONN};
-    default:
-        UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-        return {-1, Errno::SUCCESS};
-    }
+    return {-1, GetAndLogLastError()};
 }
 
 std::pair<s32, Errno> Socket::SendTo(u32 flags, const std::vector<u8>& message,
@@ -597,9 +584,7 @@ std::pair<s32, Errno> Socket::SendTo(u32 flags, const std::vector<u8>& message,
         return {static_cast<s32>(result), Errno::SUCCESS};
     }
 
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return {-1, Errno::SUCCESS};
+    return {-1, GetAndLogLastError()};
 }
 
 Errno Socket::Close() {
@@ -642,9 +627,7 @@ Errno Socket::SetNonBlock(bool enable) {
     if (EnableNonBlock(fd, enable)) {
         return Errno::SUCCESS;
     }
-    const int ec = LastError();
-    UNREACHABLE_MSG("Unhandled host socket error={}", ec);
-    return Errno::SUCCESS;
+    return GetAndLogLastError();
 }
 
 bool Socket::IsOpened() const {
diff --git a/src/core/network/network.h b/src/core/network/network.h
index 76b2821f2..bd30f1899 100644
--- a/src/core/network/network.h
+++ b/src/core/network/network.h
@@ -7,6 +7,7 @@
 #include <array>
 #include <utility>
 
+#include "common/common_funcs.h"
 #include "common/common_types.h"
 
 namespace Network {
@@ -21,6 +22,11 @@ enum class Errno {
     MFILE,
     NOTCONN,
     AGAIN,
+    CONNREFUSED,
+    HOSTUNREACH,
+    NETDOWN,
+    NETUNREACH,
+    OTHER,
 };
 
 /// Address families
diff --git a/src/input_common/mouse/mouse_input.cpp b/src/input_common/mouse/mouse_input.cpp
index b864d26f2..d81e790ee 100644
--- a/src/input_common/mouse/mouse_input.cpp
+++ b/src/input_common/mouse/mouse_input.cpp
@@ -59,7 +59,7 @@ void Mouse::UpdateYuzuSettings() {
     });
 }
 
-void Mouse::PressButton(int x, int y, int button_) {
+void Mouse::PressButton(int x, int y, MouseButton button_) {
     const auto button_index = static_cast<std::size_t>(button_);
     if (button_index >= mouse_info.size()) {
         return;
@@ -67,7 +67,7 @@ void Mouse::PressButton(int x, int y, int button_) {
 
     const auto button = 1U << button_index;
     buttons |= static_cast<u16>(button);
-    last_button = static_cast<MouseButton>(button_index);
+    last_button = button_;
 
     mouse_info[button_index].mouse_origin = Common::MakeVec(x, y);
     mouse_info[button_index].last_mouse_position = Common::MakeVec(x, y);
@@ -129,7 +129,7 @@ void Mouse::MouseMove(int x, int y, int center_x, int center_y) {
     }
 }
 
-void Mouse::ReleaseButton(int button_) {
+void Mouse::ReleaseButton(MouseButton button_) {
     const auto button_index = static_cast<std::size_t>(button_);
     if (button_index >= mouse_info.size()) {
         return;
@@ -152,6 +152,11 @@ void Mouse::BeginConfiguration() {
 
 void Mouse::EndConfiguration() {
     buttons = 0;
+    for (MouseInfo& info : mouse_info) {
+        info.tilt_speed = 0;
+        info.data.pressed = false;
+        info.data.axis = {0, 0};
+    }
     last_button = MouseButton::Undefined;
     mouse_queue.Clear();
     configuring = false;
diff --git a/src/input_common/mouse/mouse_input.h b/src/input_common/mouse/mouse_input.h
index 46aa676c1..3622fe080 100644
--- a/src/input_common/mouse/mouse_input.h
+++ b/src/input_common/mouse/mouse_input.h
@@ -18,10 +18,12 @@ namespace MouseInput {
 
 enum class MouseButton {
     Left,
-    Wheel,
     Right,
-    Forward,
+    Wheel,
     Backward,
+    Forward,
+    Task,
+    Extra,
     Undefined,
 };
 
@@ -51,7 +53,7 @@ public:
      * @param y the y-coordinate of the cursor
      * @param button_ the button pressed
      */
-    void PressButton(int x, int y, int button_);
+    void PressButton(int x, int y, MouseButton button_);
 
     /**
      * Signals that mouse has moved.
@@ -65,7 +67,7 @@ public:
     /**
      * Signals that a motion sensor tilt has ended.
      */
-    void ReleaseButton(int button_);
+    void ReleaseButton(MouseButton button_);
 
     [[nodiscard]] Common::SPSCQueue<MouseStatus>& GetMouseQueue();
     [[nodiscard]] const Common::SPSCQueue<MouseStatus>& GetMouseQueue() const;
@@ -94,7 +96,7 @@ private:
     u16 buttons{};
     std::thread update_thread;
     MouseButton last_button{MouseButton::Undefined};
-    std::array<MouseInfo, 5> mouse_info;
+    std::array<MouseInfo, 7> mouse_info;
     Common::SPSCQueue<MouseStatus> mouse_queue;
     bool configuring{false};
     bool update_thread_running{true};
diff --git a/src/input_common/udp/client.cpp b/src/input_common/udp/client.cpp
index c4afa4174..df73f9ff7 100644
--- a/src/input_common/udp/client.cpp
+++ b/src/input_common/udp/client.cpp
@@ -5,6 +5,7 @@
 #include <chrono>
 #include <cstring>
 #include <functional>
+#include <random>
 #include <thread>
 #include <boost/asio.hpp>
 #include "common/logging/log.h"
@@ -26,10 +27,10 @@ class Socket {
 public:
     using clock = std::chrono::system_clock;
 
-    explicit Socket(const std::string& host, u16 port, std::size_t pad_index_, u32 client_id_,
+    explicit Socket(const std::string& host, u16 port, std::size_t pad_index_,
                     SocketCallback callback_)
         : callback(std::move(callback_)), timer(io_service),
-          socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(client_id_),
+          socket(io_service, udp::endpoint(udp::v4(), 0)), client_id(GenerateRandomClientId()),
           pad_index(pad_index_) {
         boost::system::error_code ec{};
         auto ipv4 = boost::asio::ip::make_address_v4(host, ec);
@@ -63,6 +64,11 @@ public:
     }
 
 private:
+    u32 GenerateRandomClientId() const {
+        std::random_device device;
+        return device();
+    }
+
     void HandleReceive(const boost::system::error_code&, std::size_t bytes_transferred) {
         if (auto type = Response::Validate(receive_buffer.data(), bytes_transferred)) {
             switch (*type) {
@@ -115,7 +121,7 @@ private:
     boost::asio::basic_waitable_timer<clock> timer;
     udp::socket socket;
 
-    u32 client_id{};
+    const u32 client_id;
     std::size_t pad_index{};
 
     static constexpr std::size_t PORT_INFO_SIZE = sizeof(Message<Request::PortInfo>);
@@ -203,7 +209,7 @@ void Client::ReloadSockets() {
                 LOG_ERROR(Input, "Duplicated UDP servers found");
                 continue;
             }
-            StartCommunication(client++, udp_input_address, udp_input_port, pad, 24872);
+            StartCommunication(client++, udp_input_address, udp_input_port, pad);
         }
     }
 }
@@ -277,7 +283,7 @@ void Client::OnPadData(Response::PadData data, std::size_t client) {
 }
 
 void Client::StartCommunication(std::size_t client, const std::string& host, u16 port,
-                                std::size_t pad_index, u32 client_id) {
+                                std::size_t pad_index) {
     SocketCallback callback{[this](Response::Version version) { OnVersion(version); },
                             [this](Response::PortInfo info) { OnPortInfo(info); },
                             [this, client](Response::PadData data) { OnPadData(data, client); }};
@@ -287,7 +293,7 @@ void Client::StartCommunication(std::size_t client, const std::string& host, u16
     clients[client].port = port;
     clients[client].pad_index = pad_index;
     clients[client].active = 0;
-    clients[client].socket = std::make_unique<Socket>(host, port, pad_index, client_id, callback);
+    clients[client].socket = std::make_unique<Socket>(host, port, pad_index, callback);
     clients[client].thread = std::thread{SocketLoop, clients[client].socket.get()};
     // Set motion parameters
     // SetGyroThreshold value should be dependent on GyroscopeZeroDriftMode
@@ -416,7 +422,7 @@ const Common::SPSCQueue<UDPPadStatus>& Client::GetPadQueue() const {
     return pad_queue;
 }
 
-void TestCommunication(const std::string& host, u16 port, std::size_t pad_index, u32 client_id,
+void TestCommunication(const std::string& host, u16 port, std::size_t pad_index,
                        const std::function<void()>& success_callback,
                        const std::function<void()>& failure_callback) {
     std::thread([=] {
@@ -426,7 +432,7 @@ void TestCommunication(const std::string& host, u16 port, std::size_t pad_index,
             .port_info = [](Response::PortInfo) {},
             .pad_data = [&](Response::PadData) { success_event.Set(); },
         };
-        Socket socket{host, port, pad_index, client_id, std::move(callback)};
+        Socket socket{host, port, pad_index, std::move(callback)};
         std::thread worker_thread{SocketLoop, &socket};
         const bool result = success_event.WaitFor(std::chrono::seconds(5));
         socket.Stop();
@@ -440,7 +446,7 @@ void TestCommunication(const std::string& host, u16 port, std::size_t pad_index,
 }
 
 CalibrationConfigurationJob::CalibrationConfigurationJob(
-    const std::string& host, u16 port, std::size_t pad_index, u32 client_id,
+    const std::string& host, u16 port, std::size_t pad_index,
     std::function<void(Status)> status_callback,
     std::function<void(u16, u16, u16, u16)> data_callback) {
 
@@ -485,7 +491,7 @@ CalibrationConfigurationJob::CalibrationConfigurationJob(
                                         complete_event.Set();
                                     }
                                 }};
-        Socket socket{host, port, pad_index, client_id, std::move(callback)};
+        Socket socket{host, port, pad_index, std::move(callback)};
         std::thread worker_thread{SocketLoop, &socket};
         complete_event.Wait();
         socket.Stop();
diff --git a/src/input_common/udp/client.h b/src/input_common/udp/client.h
index a523f6124..e9e438e88 100644
--- a/src/input_common/udp/client.h
+++ b/src/input_common/udp/client.h
@@ -126,7 +126,7 @@ private:
     void OnPortInfo(Response::PortInfo);
     void OnPadData(Response::PadData, std::size_t client);
     void StartCommunication(std::size_t client, const std::string& host, u16 port,
-                            std::size_t pad_index, u32 client_id);
+                            std::size_t pad_index);
     void UpdateYuzuSettings(std::size_t client, const Common::Vec3<float>& acc,
                             const Common::Vec3<float>& gyro);
 
@@ -165,7 +165,7 @@ public:
      * @param data_callback Called when calibration data is ready
      */
     explicit CalibrationConfigurationJob(const std::string& host, u16 port, std::size_t pad_index,
-                                         u32 client_id, std::function<void(Status)> status_callback,
+                                         std::function<void(Status)> status_callback,
                                          std::function<void(u16, u16, u16, u16)> data_callback);
     ~CalibrationConfigurationJob();
     void Stop();
@@ -174,7 +174,7 @@ private:
     Common::Event complete_event;
 };
 
-void TestCommunication(const std::string& host, u16 port, std::size_t pad_index, u32 client_id,
+void TestCommunication(const std::string& host, u16 port, std::size_t pad_index,
                        const std::function<void()>& success_callback,
                        const std::function<void()>& failure_callback);
 
diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 4ea0076e9..d875c4fee 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -5,6 +5,7 @@ add_executable(tests
     common/param_package.cpp
     common/ring_buffer.cpp
     core/core_timing.cpp
+    core/network/network.cpp
     tests.cpp
     video_core/buffer_base.cpp
 )
diff --git a/src/tests/common/fibers.cpp b/src/tests/common/fibers.cpp
index d94492fc6..751cbe196 100644
--- a/src/tests/common/fibers.cpp
+++ b/src/tests/common/fibers.cpp
@@ -67,7 +67,7 @@ void TestControl1::DoWork() {
         value++;
     }
     results[id] = value;
-    Fiber::YieldTo(work_fibers[id], thread_fibers[id]);
+    Fiber::YieldTo(work_fibers[id], *thread_fibers[id]);
 }
 
 void TestControl1::ExecuteThread(u32 id) {
@@ -76,7 +76,7 @@ void TestControl1::ExecuteThread(u32 id) {
     thread_fibers[id] = thread_fiber;
     work_fibers[id] = std::make_shared<Fiber>(std::function<void(void*)>{WorkControl1}, this);
     items[id] = rand() % 256;
-    Fiber::YieldTo(thread_fibers[id], work_fibers[id]);
+    Fiber::YieldTo(thread_fibers[id], *work_fibers[id]);
     thread_fibers[id]->Exit();
 }
 
@@ -117,11 +117,11 @@ public:
         for (u32 i = 0; i < 12000; i++) {
             value1 += i;
         }
-        Fiber::YieldTo(fiber1, fiber3);
+        Fiber::YieldTo(fiber1, *fiber3);
         const u32 id = thread_ids.Get();
         assert1 = id == 1;
         value2 += 5000;
-        Fiber::YieldTo(fiber1, thread_fibers[id]);
+        Fiber::YieldTo(fiber1, *thread_fibers[id]);
     }
 
     void DoWork2() {
@@ -129,7 +129,7 @@ public:
             ;
         value2 = 2000;
         trap = false;
-        Fiber::YieldTo(fiber2, fiber1);
+        Fiber::YieldTo(fiber2, *fiber1);
         assert3 = false;
     }
 
@@ -137,19 +137,19 @@ public:
         const u32 id = thread_ids.Get();
         assert2 = id == 0;
         value1 += 1000;
-        Fiber::YieldTo(fiber3, thread_fibers[id]);
+        Fiber::YieldTo(fiber3, *thread_fibers[id]);
     }
 
     void ExecuteThread(u32 id);
 
     void CallFiber1() {
         const u32 id = thread_ids.Get();
-        Fiber::YieldTo(thread_fibers[id], fiber1);
+        Fiber::YieldTo(thread_fibers[id], *fiber1);
     }
 
     void CallFiber2() {
         const u32 id = thread_ids.Get();
-        Fiber::YieldTo(thread_fibers[id], fiber2);
+        Fiber::YieldTo(thread_fibers[id], *fiber2);
     }
 
     void Exit();
@@ -241,23 +241,23 @@ public:
 
     void DoWork1() {
         value1 += 1;
-        Fiber::YieldTo(fiber1, fiber2);
+        Fiber::YieldTo(fiber1, *fiber2);
         const u32 id = thread_ids.Get();
         value3 += 1;
-        Fiber::YieldTo(fiber1, thread_fibers[id]);
+        Fiber::YieldTo(fiber1, *thread_fibers[id]);
     }
 
     void DoWork2() {
         value2 += 1;
         const u32 id = thread_ids.Get();
-        Fiber::YieldTo(fiber2, thread_fibers[id]);
+        Fiber::YieldTo(fiber2, *thread_fibers[id]);
     }
 
     void ExecuteThread(u32 id);
 
     void CallFiber1() {
         const u32 id = thread_ids.Get();
-        Fiber::YieldTo(thread_fibers[id], fiber1);
+        Fiber::YieldTo(thread_fibers[id], *fiber1);
     }
 
     void Exit();
@@ -332,7 +332,7 @@ public:
 
     void Execute() {
         thread_fiber = Fiber::ThreadToFiber();
-        Fiber::YieldTo(thread_fiber, fiber1);
+        Fiber::YieldTo(thread_fiber, *fiber1);
         thread_fiber->Exit();
     }
 
@@ -340,7 +340,7 @@ public:
         fiber1->SetRewindPoint(std::function<void(void*)>{WorkControl4}, this);
         if (rewinded) {
             goal_reached = true;
-            Fiber::YieldTo(fiber1, thread_fiber);
+            Fiber::YieldTo(fiber1, *thread_fiber);
         }
         rewinded = true;
         fiber1->Rewind();
diff --git a/src/tests/core/network/network.cpp b/src/tests/core/network/network.cpp
new file mode 100644
index 000000000..b21ad8911
--- /dev/null
+++ b/src/tests/core/network/network.cpp
@@ -0,0 +1,28 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <catch2/catch.hpp>
+
+#include "core/network/network.h"
+#include "core/network/sockets.h"
+
+TEST_CASE("Network::Errors", "[core]") {
+    Network::NetworkInstance network_instance; // initialize network
+
+    Network::Socket socks[2];
+    for (Network::Socket& sock : socks) {
+        REQUIRE(sock.Initialize(Network::Domain::INET, Network::Type::STREAM,
+                                Network::Protocol::TCP) == Network::Errno::SUCCESS);
+    }
+
+    Network::SockAddrIn addr{
+        Network::Domain::INET,
+        {127, 0, 0, 1},
+        1, // hopefully nobody running this test has something listening on port 1
+    };
+    REQUIRE(socks[0].Connect(addr) == Network::Errno::CONNREFUSED);
+
+    std::vector<u8> message{1, 2, 3, 4};
+    REQUIRE(socks[1].Recv(0, message).second == Network::Errno::NOTCONN);
+}
diff --git a/src/video_core/renderer_vulkan/vk_command_pool.cpp b/src/video_core/renderer_vulkan/vk_command_pool.cpp
index a99df9323..d8e92ac0e 100644
--- a/src/video_core/renderer_vulkan/vk_command_pool.cpp
+++ b/src/video_core/renderer_vulkan/vk_command_pool.cpp
@@ -10,7 +10,7 @@
 
 namespace Vulkan {
 
-constexpr size_t COMMAND_BUFFER_POOL_SIZE = 0x1000;
+constexpr size_t COMMAND_BUFFER_POOL_SIZE = 4;
 
 struct CommandPool::Pool {
     vk::CommandPool handle;
diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp
index 1c61d419d..ae49cbb45 100644
--- a/src/yuzu/bootmanager.cpp
+++ b/src/yuzu/bootmanager.cpp
@@ -383,6 +383,25 @@ void GRenderWindow::keyReleaseEvent(QKeyEvent* event) {
     input_subsystem->GetKeyboard()->ReleaseKey(event->key());
 }
 
+MouseInput::MouseButton GRenderWindow::QtButtonToMouseButton(Qt::MouseButton button) {
+    switch (button) {
+    case Qt::LeftButton:
+        return MouseInput::MouseButton::Left;
+    case Qt::RightButton:
+        return MouseInput::MouseButton::Right;
+    case Qt::MiddleButton:
+        return MouseInput::MouseButton::Wheel;
+    case Qt::BackButton:
+        return MouseInput::MouseButton::Backward;
+    case Qt::ForwardButton:
+        return MouseInput::MouseButton::Forward;
+    case Qt::TaskButton:
+        return MouseInput::MouseButton::Task;
+    default:
+        return MouseInput::MouseButton::Extra;
+    }
+}
+
 void GRenderWindow::mousePressEvent(QMouseEvent* event) {
     // Touch input is handled in TouchBeginEvent
     if (event->source() == Qt::MouseEventSynthesizedBySystem) {
@@ -391,7 +410,8 @@ void GRenderWindow::mousePressEvent(QMouseEvent* event) {
 
     auto pos = event->pos();
     const auto [x, y] = ScaleTouch(pos);
-    input_subsystem->GetMouse()->PressButton(x, y, event->button());
+    const auto button = QtButtonToMouseButton(event->button());
+    input_subsystem->GetMouse()->PressButton(x, y, button);
 
     if (event->button() == Qt::LeftButton) {
         this->TouchPressed(x, y, 0);
@@ -425,7 +445,8 @@ void GRenderWindow::mouseReleaseEvent(QMouseEvent* event) {
         return;
     }
 
-    input_subsystem->GetMouse()->ReleaseButton(event->button());
+    const auto button = QtButtonToMouseButton(event->button());
+    input_subsystem->GetMouse()->ReleaseButton(button);
 
     if (event->button() == Qt::LeftButton) {
         this->TouchReleased(0);
diff --git a/src/yuzu/bootmanager.h b/src/yuzu/bootmanager.h
index b5ec7de07..acfe2bc8c 100644
--- a/src/yuzu/bootmanager.h
+++ b/src/yuzu/bootmanager.h
@@ -28,6 +28,10 @@ namespace InputCommon {
 class InputSubsystem;
 }
 
+namespace MouseInput {
+enum class MouseButton;
+}
+
 namespace VideoCore {
 enum class LoadCallbackStage;
 }
@@ -149,6 +153,9 @@ public:
     void keyPressEvent(QKeyEvent* event) override;
     void keyReleaseEvent(QKeyEvent* event) override;
 
+    /// Converts a Qt mouse button into MouseInput mouse button
+    static MouseInput::MouseButton QtButtonToMouseButton(Qt::MouseButton button);
+
     void mousePressEvent(QMouseEvent* event) override;
     void mouseMoveEvent(QMouseEvent* event) override;
     void mouseReleaseEvent(QMouseEvent* event) override;
diff --git a/src/yuzu/configuration/config.cpp b/src/yuzu/configuration/config.cpp
index 3d6f64300..1bac57bb2 100644
--- a/src/yuzu/configuration/config.cpp
+++ b/src/yuzu/configuration/config.cpp
@@ -235,7 +235,7 @@ const std::array<UISettings::Shortcut, 17> Config::default_hotkeys{{
     {QStringLiteral("Restart Emulation"),        QStringLiteral("Main Window"), {QStringLiteral("F6"), Qt::WindowShortcut}},
     {QStringLiteral("Stop Emulation"),           QStringLiteral("Main Window"), {QStringLiteral("F5"), Qt::WindowShortcut}},
     {QStringLiteral("Toggle Filter Bar"),        QStringLiteral("Main Window"), {QStringLiteral("Ctrl+F"), Qt::WindowShortcut}},
-    {QStringLiteral("Toggle Mouse Panning"),     QStringLiteral("Main Window"), {QStringLiteral("F9"), Qt::ApplicationShortcut}},
+    {QStringLiteral("Toggle Mouse Panning"),     QStringLiteral("Main Window"), {QStringLiteral("Ctrl+F9"), Qt::ApplicationShortcut}},
     {QStringLiteral("Toggle Speed Limit"),       QStringLiteral("Main Window"), {QStringLiteral("Ctrl+Z"), Qt::ApplicationShortcut}},
     {QStringLiteral("Toggle Status Bar"),        QStringLiteral("Main Window"), {QStringLiteral("Ctrl+S"), Qt::WindowShortcut}},
 }};
@@ -508,7 +508,7 @@ void Config::ReadControlValues() {
 
     Settings::values.emulate_analog_keyboard =
         ReadSetting(QStringLiteral("emulate_analog_keyboard"), false).toBool();
-    Settings::values.mouse_panning = ReadSetting(QStringLiteral("mouse_panning"), false).toBool();
+    Settings::values.mouse_panning = false;
     Settings::values.mouse_panning_sensitivity =
         ReadSetting(QStringLiteral("mouse_panning_sensitivity"), 1).toFloat();
 
@@ -648,7 +648,7 @@ void Config::ReadDebuggingValues() {
 void Config::ReadServiceValues() {
     qt_config->beginGroup(QStringLiteral("Services"));
     Settings::values.bcat_backend =
-        ReadSetting(QStringLiteral("bcat_backend"), QStringLiteral("null"))
+        ReadSetting(QStringLiteral("bcat_backend"), QStringLiteral("none"))
             .toString()
             .toStdString();
     Settings::values.bcat_boxcat_local =
@@ -1182,7 +1182,6 @@ void Config::SaveControlValues() {
     WriteSetting(QStringLiteral("keyboard_enabled"), Settings::values.keyboard_enabled, false);
     WriteSetting(QStringLiteral("emulate_analog_keyboard"),
                  Settings::values.emulate_analog_keyboard, false);
-    WriteSetting(QStringLiteral("mouse_panning"), Settings::values.mouse_panning, false);
     WriteSetting(QStringLiteral("mouse_panning_sensitivity"),
                  Settings::values.mouse_panning_sensitivity, 1.0f);
     qt_config->endGroup();
@@ -1239,7 +1238,7 @@ void Config::SaveDebuggingValues() {
 void Config::SaveServiceValues() {
     qt_config->beginGroup(QStringLiteral("Services"));
     WriteSetting(QStringLiteral("bcat_backend"),
-                 QString::fromStdString(Settings::values.bcat_backend), QStringLiteral("null"));
+                 QString::fromStdString(Settings::values.bcat_backend), QStringLiteral("none"));
     WriteSetting(QStringLiteral("bcat_boxcat_local"), Settings::values.bcat_boxcat_local, false);
     qt_config->endGroup();
 }
diff --git a/src/yuzu/configuration/configure_input_player.cpp b/src/yuzu/configuration/configure_input_player.cpp
index 21d0d3449..bc572d319 100644
--- a/src/yuzu/configuration/configure_input_player.cpp
+++ b/src/yuzu/configuration/configure_input_player.cpp
@@ -21,6 +21,7 @@
 #include "input_common/mouse/mouse_poller.h"
 #include "input_common/udp/udp.h"
 #include "ui_configure_input_player.h"
+#include "yuzu/bootmanager.h"
 #include "yuzu/configuration/config.h"
 #include "yuzu/configuration/configure_input_player.h"
 #include "yuzu/configuration/configure_input_player_widget.h"
@@ -1345,7 +1346,8 @@ void ConfigureInputPlayer::mousePressEvent(QMouseEvent* event) {
         return;
     }
 
-    input_subsystem->GetMouse()->PressButton(0, 0, event->button());
+    const auto button = GRenderWindow::QtButtonToMouseButton(event->button());
+    input_subsystem->GetMouse()->PressButton(0, 0, button);
 }
 
 void ConfigureInputPlayer::keyPressEvent(QKeyEvent* event) {
diff --git a/src/yuzu/configuration/configure_motion_touch.cpp b/src/yuzu/configuration/configure_motion_touch.cpp
index 1f2b792e4..52fdf7265 100644
--- a/src/yuzu/configuration/configure_motion_touch.cpp
+++ b/src/yuzu/configuration/configure_motion_touch.cpp
@@ -24,7 +24,7 @@
 
 CalibrationConfigurationDialog::CalibrationConfigurationDialog(QWidget* parent,
                                                                const std::string& host, u16 port,
-                                                               u8 pad_index, u16 client_id)
+                                                               u8 pad_index)
     : QDialog(parent) {
     layout = new QVBoxLayout;
     status_label = new QLabel(tr("Communicating with the server..."));
@@ -41,7 +41,7 @@ CalibrationConfigurationDialog::CalibrationConfigurationDialog(QWidget* parent,
 
     using namespace InputCommon::CemuhookUDP;
     job = std::make_unique<CalibrationConfigurationJob>(
-        host, port, pad_index, client_id,
+        host, port, pad_index,
         [this](CalibrationConfigurationJob::Status status) {
             QString text;
             switch (status) {
@@ -218,7 +218,6 @@ void ConfigureMotionTouch::OnCemuhookUDPTest() {
     udp_test_in_progress = true;
     InputCommon::CemuhookUDP::TestCommunication(
         ui->udp_server->text().toStdString(), static_cast<u16>(ui->udp_port->text().toInt()), 0,
-        24872,
         [this] {
             LOG_INFO(Frontend, "UDP input test success");
             QMetaObject::invokeMethod(this, "ShowUDPTestResult", Q_ARG(bool, true));
@@ -233,8 +232,7 @@ void ConfigureMotionTouch::OnConfigureTouchCalibration() {
     ui->touch_calibration_config->setEnabled(false);
     ui->touch_calibration_config->setText(tr("Configuring"));
     CalibrationConfigurationDialog dialog(this, ui->udp_server->text().toStdString(),
-                                          static_cast<u16>(ui->udp_port->text().toUInt()), 0,
-                                          24872);
+                                          static_cast<u16>(ui->udp_port->text().toUInt()), 0);
     dialog.exec();
     if (dialog.completed) {
         min_x = dialog.min_x;
diff --git a/src/yuzu/configuration/configure_motion_touch.h b/src/yuzu/configuration/configure_motion_touch.h
index 15d61e8ba..d76bc8154 100644
--- a/src/yuzu/configuration/configure_motion_touch.h
+++ b/src/yuzu/configuration/configure_motion_touch.h
@@ -30,7 +30,7 @@ class CalibrationConfigurationDialog : public QDialog {
     Q_OBJECT
 public:
     explicit CalibrationConfigurationDialog(QWidget* parent, const std::string& host, u16 port,
-                                            u8 pad_index, u16 client_id);
+                                            u8 pad_index);
     ~CalibrationConfigurationDialog() override;
 
 private:
diff --git a/src/yuzu/main.cpp b/src/yuzu/main.cpp
index 0ba7c07cc..56d892a31 100644
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -854,8 +854,7 @@ void GMainWindow::InitializeHotkeys() {
     connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Toggle Mouse Panning"), this),
             &QShortcut::activated, this, [&] {
                 Settings::values.mouse_panning = !Settings::values.mouse_panning;
-                if (UISettings::values.hide_mouse || Settings::values.mouse_panning) {
-                    mouse_hide_timer.start();
+                if (Settings::values.mouse_panning) {
                     render_window->installEventFilter(render_window);
                     render_window->setAttribute(Qt::WA_Hover, true);
                 }
@@ -1208,11 +1207,14 @@ void GMainWindow::BootGame(const QString& filename, std::size_t program_index) {
     renderer_status_button->setDisabled(true);
 
     if (UISettings::values.hide_mouse || Settings::values.mouse_panning) {
-        mouse_hide_timer.start();
         render_window->installEventFilter(render_window);
         render_window->setAttribute(Qt::WA_Hover, true);
     }
 
+    if (UISettings::values.hide_mouse) {
+        mouse_hide_timer.start();
+    }
+
     std::string title_name;
     std::string title_version;
     const auto res = system.GetGameName(title_name);
@@ -2372,12 +2374,15 @@ void GMainWindow::OnConfigure() {
     if ((UISettings::values.hide_mouse || Settings::values.mouse_panning) && emulation_running) {
         render_window->installEventFilter(render_window);
         render_window->setAttribute(Qt::WA_Hover, true);
-        mouse_hide_timer.start();
     } else {
         render_window->removeEventFilter(render_window);
         render_window->setAttribute(Qt::WA_Hover, false);
     }
 
+    if (UISettings::values.hide_mouse) {
+        mouse_hide_timer.start();
+    }
+
     UpdateStatusButtons();
 }
 
@@ -2615,8 +2620,7 @@ void GMainWindow::UpdateUISettings() {
 }
 
 void GMainWindow::HideMouseCursor() {
-    if (emu_thread == nullptr ||
-        (!UISettings::values.hide_mouse && !Settings::values.mouse_panning)) {
+    if (emu_thread == nullptr && UISettings::values.hide_mouse) {
         mouse_hide_timer.stop();
         ShowMouseCursor();
         return;
@@ -2626,8 +2630,7 @@ void GMainWindow::HideMouseCursor() {
 
 void GMainWindow::ShowMouseCursor() {
     render_window->unsetCursor();
-    if (emu_thread != nullptr &&
-        (UISettings::values.hide_mouse || Settings::values.mouse_panning)) {
+    if (emu_thread != nullptr && UISettings::values.hide_mouse) {
         mouse_hide_timer.start();
     }
 }
diff --git a/src/yuzu_cmd/config.cpp b/src/yuzu_cmd/config.cpp
index 6d8bc5509..43877fc98 100644
--- a/src/yuzu_cmd/config.cpp
+++ b/src/yuzu_cmd/config.cpp
@@ -457,7 +457,7 @@ void Config::ReadValues() {
     Settings::values.yuzu_token = sdl2_config->Get("WebService", "yuzu_token", "");
 
     // Services
-    Settings::values.bcat_backend = sdl2_config->Get("Services", "bcat_backend", "null");
+    Settings::values.bcat_backend = sdl2_config->Get("Services", "bcat_backend", "none");
     Settings::values.bcat_boxcat_local =
         sdl2_config->GetBoolean("Services", "bcat_boxcat_local", false);
 }
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
index 7e391ab89..ce8b7c218 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
@@ -35,18 +35,36 @@ void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
     input_subsystem->GetMouse()->MouseMove(x, y, 0, 0);
 }
 
+MouseInput::MouseButton EmuWindow_SDL2::SDLButtonToMouseButton(u32 button) const {
+    switch (button) {
+    case SDL_BUTTON_LEFT:
+        return MouseInput::MouseButton::Left;
+    case SDL_BUTTON_RIGHT:
+        return MouseInput::MouseButton::Right;
+    case SDL_BUTTON_MIDDLE:
+        return MouseInput::MouseButton::Wheel;
+    case SDL_BUTTON_X1:
+        return MouseInput::MouseButton::Backward;
+    case SDL_BUTTON_X2:
+        return MouseInput::MouseButton::Forward;
+    default:
+        return MouseInput::MouseButton::Undefined;
+    }
+}
+
 void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
+    const auto mouse_button = SDLButtonToMouseButton(button);
     if (button == SDL_BUTTON_LEFT) {
         if (state == SDL_PRESSED) {
             TouchPressed((unsigned)std::max(x, 0), (unsigned)std::max(y, 0), 0);
         } else {
             TouchReleased(0);
         }
-    } else if (button == SDL_BUTTON_RIGHT) {
+    } else {
         if (state == SDL_PRESSED) {
-            input_subsystem->GetMouse()->PressButton(x, y, button);
+            input_subsystem->GetMouse()->PressButton(x, y, mouse_button);
         } else {
-            input_subsystem->GetMouse()->ReleaseButton(button);
+            input_subsystem->GetMouse()->ReleaseButton(mouse_button);
         }
     }
 }
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.h b/src/yuzu_cmd/emu_window/emu_window_sdl2.h
index 51a12a6a9..0e17bbca7 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2.h
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.h
@@ -18,6 +18,10 @@ namespace InputCommon {
 class InputSubsystem;
 }
 
+namespace MouseInput {
+enum class MouseButton;
+}
+
 class EmuWindow_SDL2 : public Core::Frontend::EmuWindow {
 public:
     explicit EmuWindow_SDL2(InputCommon::InputSubsystem* input_subsystem);
@@ -42,6 +46,9 @@ protected:
     /// Called by WaitEvent when the mouse moves.
     void OnMouseMotion(s32 x, s32 y);
 
+    /// Converts a SDL mouse button into MouseInput mouse button
+    MouseInput::MouseButton SDLButtonToMouseButton(u32 button) const;
+
     /// Called by WaitEvent when a mouse button is pressed or released
     void OnMouseButton(u32 button, u8 state, s32 x, s32 y);