Backends: removed samplers from ImGui_ImplDX10_RenderState, ImGui_ImplDX11_RenderState + fixed all Changelogs. (#9378)

backends/imgui_impl_allegro5.cpp

diff --git a/backends/imgui_impl_allegro5.cpp b/backends/imgui_impl_allegro5.cpp
index 57865f9..79b169d 100644
--- a/backends/imgui_impl_allegro5.cpp
+++ b/backends/imgui_impl_allegro5.cpp
@@ -22,7 +22,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState (others cannot be supported by Allegro5).
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState (others cannot be supported by Allegro5). (#9378)
 //  2025-09-18: Call platform_io.ClearRendererHandlers() and platform_io.ClearPlatformHandlers() on shutdown.
 //  2025-08-12: Inputs: fixed missing support for ImGuiKey_PrintScreen under Windows, as raw Allegro 5 does not receive it.
 //  2025-08-12: Added ImGui_ImplAllegro5_SetDisplay() function to change current ALLEGRO_DISPLAY, as Allegro applications often need to do that.

backends/imgui_impl_dx10.cpp

diff --git a/backends/imgui_impl_dx10.cpp b/backends/imgui_impl_dx10.cpp
index e6cc595..9858cbe 100644
--- a/backends/imgui_impl_dx10.cpp
+++ b/backends/imgui_impl_dx10.cpp
@@ -16,7 +16,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: DirectX10: Added support for ImDrawCallback_SetSamplerLinear, ImDrawCallback_SetSamplerPoint.
+//  2026-04-23: DirectX10: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. Obsoleting samplers from ImGui_ImplDX10_RenderState. (#9378)
 //  2026-01-19: DirectX10: Added 'SamplerNearest' in ImGui_ImplDX10_RenderState. Renamed 'SamplerDefault' to 'SamplerLinear'. 
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
 //  2025-06-11: DirectX10: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas.
@@ -266,8 +266,6 @@
     ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
     ImGui_ImplDX10_RenderState render_state;
     render_state.Device = bd->pd3dDevice;
-    render_state.SamplerLinear = bd->pTexSamplerLinear;
-    render_state.SamplerNearest = bd->pTexSamplerNearest;
     render_state.VertexConstantBuffer = bd->pVertexConstantBuffer;
     platform_io.Renderer_RenderState = &render_state;
 

backends/imgui_impl_dx10.h

diff --git a/backends/imgui_impl_dx10.h b/backends/imgui_impl_dx10.h
index 87945d6..179756f 100644
--- a/backends/imgui_impl_dx10.h
+++ b/backends/imgui_impl_dx10.h
@@ -41,9 +41,9 @@
 struct ImGui_ImplDX10_RenderState
 {
     ID3D10Device*           Device;
-    ID3D10SamplerState*     SamplerLinear;
-    ID3D10SamplerState*     SamplerNearest;
     ID3D10Buffer*           VertexConstantBuffer;
+    //ID3D10SamplerState*   SamplerLinear;          // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerLinear)
+    //ID3D10SamplerState*   SamplerNearest;         // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerNearest)
 };
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_dx11.cpp

diff --git a/backends/imgui_impl_dx11.cpp b/backends/imgui_impl_dx11.cpp
index b365f39..6573d27 100644
--- a/backends/imgui_impl_dx11.cpp
+++ b/backends/imgui_impl_dx11.cpp
@@ -17,7 +17,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: DirectX11: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: DirectX11: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. Obsoleting samplers from ImGui_ImplDX11_RenderState. (#9378)
 //  2026-01-19: DirectX11: Added 'SamplerNearest' in ImGui_ImplDX11_RenderState. Renamed 'SamplerDefault' to 'SamplerLinear'.
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
 //  2025-06-11: DirectX11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas.
@@ -281,8 +281,6 @@
     ImGui_ImplDX11_RenderState render_state;
     render_state.Device = bd->pd3dDevice;
     render_state.DeviceContext = bd->pd3dDeviceContext;
-    render_state.SamplerLinear = bd->pTexSamplerLinear;
-    render_state.SamplerNearest = bd->pTexSamplerNearest;
     render_state.VertexConstantBuffer = bd->pVertexConstantBuffer;
     platform_io.Renderer_RenderState = bd->RenderState = &render_state;
 

backends/imgui_impl_dx11.h

diff --git a/backends/imgui_impl_dx11.h b/backends/imgui_impl_dx11.h
index 338e009..56166b9 100644
--- a/backends/imgui_impl_dx11.h
+++ b/backends/imgui_impl_dx11.h
@@ -44,9 +44,9 @@
 {
     ID3D11Device*           Device;
     ID3D11DeviceContext*    DeviceContext;
-    ID3D11SamplerState*     SamplerLinear;
-    ID3D11SamplerState*     SamplerNearest;
     ID3D11Buffer*           VertexConstantBuffer;
+    //ID3D11SamplerState*   SamplerLinear;          // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerLinear)
+    //ID3D11SamplerState*   SamplerNearest;         // Use ImDrawList::AddCallback(ImGui::GetPlatform().DrawCallback_SetSamplerNearest)
 };
 
 #endif // #ifndef IMGUI_DISABLE

backends/imgui_impl_dx12.cpp

diff --git a/backends/imgui_impl_dx12.cpp b/backends/imgui_impl_dx12.cpp
index b4344f2..157384a 100644
--- a/backends/imgui_impl_dx12.cpp
+++ b/backends/imgui_impl_dx12.cpp
@@ -20,7 +20,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2025-10-11: DirectX12: Reuse texture upload buffer and grow it only when necessary. (#9002)
 //  2025-09-29: DirectX12: Rework synchronization logic. (#8961)
 //  2025-09-29: DirectX12: Enable swapchain tearing to eliminate viewports framerate throttling. (#8965)

backends/imgui_impl_dx9.cpp

diff --git a/backends/imgui_impl_dx9.cpp b/backends/imgui_impl_dx9.cpp
index d6464a4..360398f 100644
--- a/backends/imgui_impl_dx9.cpp
+++ b/backends/imgui_impl_dx9.cpp
@@ -17,7 +17,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-19: Fixed issue in ImGui_ImplDX9_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295, #9310)
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
 //  2025-06-11: DirectX9: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas.

backends/imgui_impl_metal.mm

diff --git a/backends/imgui_impl_metal.mm b/backends/imgui_impl_metal.mm
index 1e52975..db2fcd3 100644
--- a/backends/imgui_impl_metal.mm
+++ b/backends/imgui_impl_metal.mm
@@ -18,7 +18,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState (others are not yet supported).
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState (others are not yet supported). (#9378)
 //  2026-04-14: Metal: use a dedicated bufferCacheLock to avoid crashing when bufferCache is replaced by a new object while being used for @synchronize(). (#9367)
 //  2026-04-03: Metal: avoid redundant vertex buffer bind in SetupRenderState. (#9343)
 //  2026-03-19: Fixed issue in ImGui_ImplMetal_RenderDrawData() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295, #9310)

backends/imgui_impl_opengl2.cpp

diff --git a/backends/imgui_impl_opengl2.cpp b/backends/imgui_impl_opengl2.cpp
index ac17f81..6cbaaac 100644
--- a/backends/imgui_impl_opengl2.cpp
+++ b/backends/imgui_impl_opengl2.cpp
@@ -26,7 +26,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: OpenGL: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: OpenGL: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-12: OpenGL: Fixed invalid assert in ImGui_ImplOpenGL3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
 //  2025-07-15: OpenGL: Set GL_UNPACK_ALIGNMENT to 1 before updating textures. (#8802)

backends/imgui_impl_opengl3.cpp

diff --git a/backends/imgui_impl_opengl3.cpp b/backends/imgui_impl_opengl3.cpp
index 77de814..cf190f6 100644
--- a/backends/imgui_impl_opengl3.cpp
+++ b/backends/imgui_impl_opengl3.cpp
@@ -23,7 +23,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: OpenGL: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: OpenGL: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-12: OpenGL: Fixed invalid assert in ImGui_ImplOpenGL3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
 //  2025-12-11: OpenGL: Fixed embedded loader multiple init/shutdown cycles broken on some platforms. (#8792, #9112)
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.

backends/imgui_impl_sdlgpu3.cpp

diff --git a/backends/imgui_impl_sdlgpu3.cpp b/backends/imgui_impl_sdlgpu3.cpp
index f8a109a..8f0408c 100644
--- a/backends/imgui_impl_sdlgpu3.cpp
+++ b/backends/imgui_impl_sdlgpu3.cpp
@@ -22,7 +22,7 @@
 //   Calling the function is MANDATORY, otherwise the ImGui will not upload neither the vertex nor the index buffer for the GPU. See imgui_impl_sdlgpu3.cpp for more info.
 
 // CHANGELOG
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. Obsoleting samplers from ImGui_ImplSDLGPU3_RenderState. (#9378)
 //  2026-03-19: Fixed issue in ImGui_ImplSDLGPU3_DestroyTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295, #9310)
 //  2026-02-25: Removed unnecessary call to SDL_WaitForGPUIdle when releasing vertex/index buffers. (#9262)
 //  2025-11-26: macOS version can use MSL shaders in order to support macOS 10.14+ (vs Metallib shaders requiring macOS 14+). Requires calling SDL_CreateGPUDevice() with SDL_GPU_SHADERFORMAT_MSL.

backends/imgui_impl_sdlrenderer2.cpp

diff --git a/backends/imgui_impl_sdlrenderer2.cpp b/backends/imgui_impl_sdlrenderer2.cpp
index 5372d1c..d9f329b 100644
--- a/backends/imgui_impl_sdlrenderer2.cpp
+++ b/backends/imgui_impl_sdlrenderer2.cpp
@@ -27,7 +27,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState (others cannot be supported).
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState (others cannot be supported). (#9378)
 //  2026-03-12: Fixed invalid assert in ImGui_ImplSDLRenderer2_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
 //  2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplSDLRenderer2_CreateFontsTexture() and ImGui_ImplSDLRenderer2_DestroyFontsTexture().

backends/imgui_impl_sdlrenderer3.cpp

diff --git a/backends/imgui_impl_sdlrenderer3.cpp b/backends/imgui_impl_sdlrenderer3.cpp
index eb05073..bf02504 100644
--- a/backends/imgui_impl_sdlrenderer3.cpp
+++ b/backends/imgui_impl_sdlrenderer3.cpp
@@ -25,7 +25,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-12: Fixed invalid assert in ImGui_ImplSDLRenderer3_UpdateTexture() if ImTextureID_Invalid is defined to be != 0, which became the default since 2026-03-12. (#9295)
 //  2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
 //  2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplSDLRenderer3_CreateFontsTexture() and ImGui_ImplSDLRenderer3_DestroyFontsTexture().

backends/imgui_impl_vulkan.cpp

diff --git a/backends/imgui_impl_vulkan.cpp b/backends/imgui_impl_vulkan.cpp
index bb4f2cb..3baf3b7 100644
--- a/backends/imgui_impl_vulkan.cpp
+++ b/backends/imgui_impl_vulkan.cpp
@@ -27,7 +27,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-04-22: *BREAKING CHANGE* redesigned to use separate ImageView + Sampler instead of Combined Image Sampler. This change allows us to facilitate changing samplers, in line with other backends.
 //              - When registering custom textures: changed ImGui_ImplVulkan_AddTexture() signature to remove Sampler.
 //                - Before: ImGui_ImplVulkan_AddTexture(VkSampler, VkImageView, VkImageLayout)

backends/imgui_impl_wgpu.cpp

diff --git a/backends/imgui_impl_wgpu.cpp b/backends/imgui_impl_wgpu.cpp
index fb9b05f..5636178 100644
--- a/backends/imgui_impl_wgpu.cpp
+++ b/backends/imgui_impl_wgpu.cpp
@@ -20,7 +20,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
-//  2026-XX-XX: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest.
+//  2026-04-23: Added support for standard draw callbacks (in platform_io): DrawCallback_ResetRenderState, DrawCallback_SetSamplerLinear, DrawCallback_SetSamplerNearest. (#9378)
 //  2026-03-25: Added support for WGVK native backend via IMGUI_IMPL_WEBGPU_BACKEND_WGVK define, with SPIRV shaders if WGSL is not available. (#9316, #9246, #9257)
 //  2026-03-09: Removed support for Emscripten < 4.0.10. (#9281)
 //  2025-10-16: Update to compile with Dawn and Emscripten's 4.0.10+ '--use-port=emdawnwebgpu' ports. (#8381, #8898)

docs/CHANGELOG.txt

diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index 7b1e89c..c1d9f2b 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -56,6 +56,9 @@
       - Before: ImGui_ImplVulkan_AddTexture(VkSampler, VkImageView, VkImageLayout)
       - After:  ImGui_ImplVulkan_AddTexture(VkImageView, VkImageLayout)
       - Kept inline redirection function that ignores the sampler (will obsolete).
+  - DirectX10, DirectX11, SDLGPU3, Vulkan: removed samplers from ImGui_ImplXXXX_RenderState.
+    Prefer to use backend-agnostic DrawCallback_SetSamplerLinear which works everywhere! (#9378)
+    If there is a legit need/request for them or any render state we can always add them back.
 
 Other Changes: