Heap adjustments

- Increase heap limit to 8 GiB for games that crash with > 8 GiB heap. This was inadvertently limited to 6 GiB for 10 & 12 GiB DRAM sizes.

Directory.Packages.props

@@ -38,7 +38,7 @@
     <PackageVersion Include="Ryujinx.Graphics.Nvdec.Dependencies.Windows" Version="6.1.4-build6" />
     <PackageVersion Include="Ryujinx.Graphics.Vulkan.MoltenVK" Version="1.4.3-ryujinx.1" />
     <PackageVersion Include="Ryujinx.LibHac" Version="0.21.0-alpha.133" />
-    <PackageVersion Include="Ryujinx.SDL3-CS" Version="2026.707.0" />
+    <PackageVersion Include="Ryujinx.SDL3-CS" Version="2026.918.0" />
     <PackageVersion Include="securifybv.ShellLink" Version="0.1.0" />
     <PackageVersion Include="SharpZipLib" Version="1.4.2" />
     <PackageVersion Include="Silk.NET.Shaderc" Version="2.23.0" />

src/Ryujinx.HLE/HOS/Kernel/Common/KSystemControl.cs

@@ -26,12 +26,12 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
             {
                 MemoryArrange.MemoryArrange4GiB or
                 MemoryArrange.MemoryArrange4GiBSystemDev or
-                MemoryArrange.MemoryArrange6GiBAppletDev => 3173 * MiB,
+                MemoryArrange.MemoryArrange6GiBAppletDev => 3236 * MiB,
                 MemoryArrange.MemoryArrange4GiBAppletDev => 2048 * MiB,
-                MemoryArrange.MemoryArrange6GiB => 4804 * MiB,
-                MemoryArrange.MemoryArrange8GiB => 6852 * MiB,
-                MemoryArrange.MemoryArrange10GiB => 8900 * MiB,
-                MemoryArrange.MemoryArrange12GiB => 10948 * MiB,
+                MemoryArrange.MemoryArrange6GiB => 4867 * MiB,
+                MemoryArrange.MemoryArrange8GiB => 6915 * MiB,
+                MemoryArrange.MemoryArrange10GiB => 8963 * MiB,
+                MemoryArrange.MemoryArrange12GiB => 11011 * MiB,
                 _ => throw new ArgumentException($"Invalid memory arrange \"{arrange}\"."),
             };
         }

src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs

@@ -203,7 +203,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
                     heapRegion.Size = memConfig switch {
                         MemoryConfiguration.MemoryConfiguration8GiB => 0x200000000u,
                         MemoryConfiguration.MemoryConfiguration10GiB when !isHeapLimited => 0x280000000u,
+                        MemoryConfiguration.MemoryConfiguration10GiB => 0x200000000u,
                         MemoryConfiguration.MemoryConfiguration12GiB when !isHeapLimited => 0x300000000u,
+                        MemoryConfiguration.MemoryConfiguration12GiB => 0x200000000u,
                         _ => 0x180000000u
                     };
                     stackRegion.Size = 0;
@@ -238,7 +240,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
                         heapRegion.Size = memConfig switch {
                             MemoryConfiguration.MemoryConfiguration8GiB => 0x200000000u,
                             MemoryConfiguration.MemoryConfiguration10GiB when !isHeapLimited => 0x280000000u,
+                            MemoryConfiguration.MemoryConfiguration10GiB => 0x200000000u,
                             MemoryConfiguration.MemoryConfiguration12GiB when !isHeapLimited => 0x300000000u,
+                            MemoryConfiguration.MemoryConfiguration12GiB => 0x200000000u,
                             _ => 0x180000000u
                         };
                         stackRegion.Size = 1UL << (addressSpaceWidth - 8);
@@ -257,7 +261,9 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
                         heapRegion.Size = memConfig switch {
                             MemoryConfiguration.MemoryConfiguration8GiB => 0x200000000u,
                             MemoryConfiguration.MemoryConfiguration10GiB when !isHeapLimited => 0x280000000u,
+                            MemoryConfiguration.MemoryConfiguration10GiB => 0x200000000u,
                             MemoryConfiguration.MemoryConfiguration12GiB when !isHeapLimited => 0x300000000u,
+                            MemoryConfiguration.MemoryConfiguration12GiB => 0x200000000u,
                             _ => 0x180000000u
                         };
                         stackRegion.Size = 0x80000000;

src/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ILibraryAppletCreator.cs

@@ -21,6 +21,21 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
             return ResultCode.Success;
         }
 
+        [CommandCmif(3)] // 20.0.0+
+        // CreateLibraryAppletEx(u32, u32, u64) -> object<nn::am::service::ILibraryAppletAccessor>
+        public ResultCode CreateLibraryAppletEx(ServiceCtx context)
+        {
+            AppletId appletId = (AppletId)context.RequestData.ReadInt32();
+
+            _ = context.RequestData.ReadInt32(); // libraryAppletMode
+
+            _ = context.RequestData.ReadUInt64(); // threadId
+
+            MakeObject(context, new ILibraryAppletAccessor(appletId, context.Device.System));
+
+            return ResultCode.Success;
+        }
+
         [CommandCmif(10)]
         // CreateStorage(u64) -> object<nn::am::service::IStorage>
         public ResultCode CreateStorage(ServiceCtx context)

src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs

@@ -7,6 +7,7 @@ using LibHac.Tools.Fs;
 using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.NcaUtils;
 using Ryujinx.Common.Logging;
+using Ryujinx.Graphics.Gpu;
 using Ryujinx.HLE.Loaders.Executables;
 using Ryujinx.HLE.Loaders.Processes.Extensions;
 using System.Collections.Concurrent;
@@ -23,7 +24,62 @@ namespace Ryujinx.HLE.Loaders.Processes
 
         private ulong _latestPid;
 
-        public ProcessResult ActiveApplication => _processesByPid[_latestPid];
+        private readonly object _pidLock = new();
+
+#nullable enable
+        public ProcessResult? ActiveApplication
+        {
+            get
+            {
+                lock (_pidLock)
+                {
+                    // Check if _latestPid is still valid
+                    if (_latestPid == 0)
+                    {
+                        return null;
+                    }
+
+                    // Verify process still exists in kernel (authoritative source)
+                    if (!_device.System.KernelContext.Processes.TryGetValue(_latestPid, out HOS.Kernel.Process.KProcess? kernelProcess))
+                    {
+                        // Process no longer exists in kernel, clear stale state
+                        Logger.Warning?.Print(LogClass.Loader,
+                            $"ActiveApplication PID {_latestPid} no longer exists in kernel, clearing stale state");
+
+                        _processesByPid.TryRemove(_latestPid, out _);
+                        _latestPid = 0;
+
+                        return null;
+                    }
+
+                    // Verify process still exists in ProcessLoader's dictionary
+                    if (_processesByPid.TryGetValue(_latestPid, out ProcessResult? processResult))
+                    {
+                        // Additional check: verify process state
+                        if (kernelProcess.State == HOS.Kernel.Process.ProcessState.Exited ||
+                            kernelProcess.State == HOS.Kernel.Process.ProcessState.Exiting)
+                        {
+                            Logger.Warning?.Print(LogClass.Loader,
+                                $"ActiveApplication PID {_latestPid} is in state {kernelProcess.State}, clearing");
+
+                            _processesByPid.TryRemove(_latestPid, out _);
+                            _latestPid = 0;
+
+                            return null;
+                        }
+
+                        return processResult;
+                    }
+
+                    // Fallback: clear stale PID if not in our dictionary
+                    Logger.Warning?.Print(LogClass.Loader,
+                        $"ActiveApplication PID {_latestPid} not in ProcessLoader dictionary, clearing");
+                    _latestPid = 0;
+                    return null;
+                }
+            }
+        }
+#nullable disable
 
         public ProcessLoader(Switch device)
         {
@@ -226,7 +282,7 @@ namespace Ryujinx.HLE.Loaders.Processes
             }
 
             // Explicitly null TitleId to disable the shader cache.
-            Graphics.Gpu.GraphicsConfig.TitleId = null;
+            GraphicsConfig.TitleId = null;
             _device.Gpu.HostInitalized.Set();
 
             ProcessResult processResult = ProcessLoaderHelper.LoadNsos(_device,
@@ -265,5 +321,37 @@ namespace Ryujinx.HLE.Loaders.Processes
 
             return false;
         }
+
+        /// <summary>
+        /// Clears a specific process from the ProcessLoader's tracking.
+        /// This should be called when a process exits or is terminated.
+        /// </summary>
+        /// <param name="pid">The process ID to clear</param>
+        public void ClearProcess(ulong pid)
+        {
+            lock (_pidLock)
+            {
+                if (_processesByPid.TryRemove(pid, out _))
+                {
+                    if (_latestPid == pid)
+                    {
+                        _latestPid = 0;
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Clears all processes from the ProcessLoader's tracking.
+        /// This should be called during system shutdown.
+        /// </summary>
+        public void ClearAllProcesses()
+        {
+            lock (_pidLock)
+            {
+                _processesByPid.Clear();
+                _latestPid = 0;
+            }
+        }
     }
 }

src/Ryujinx.HLE/Switch.cs

@@ -208,6 +208,7 @@ namespace Ryujinx.HLE
         {
             if (disposing)
             {
+                Processes.ClearAllProcesses();
                 System.Dispose();
                 AudioDeviceDriver.Dispose();
                 FileSystem.Dispose();