GPUOpen-LibrariesAndSDKs · jlacroixAMD · Feb 24, 2026 · Jan 9, 2026 · Jan 9, 2026 · Feb 23, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,14 @@
+# 3.1.0 (2026-02-23)
+
+- Added supported for resource tight alignment (feature added in Agility SDK 1.618.1). It is used automatically when available.
+  - Added function `Allocator::IsTightAlignmentSupported`.
+  - Added `ALLOCATOR_FLAG_DONT_USE_TIGHT_ALIGNMENT`.
+- Fixes and improvements in the internal function `AllocatorPimpl::GetResourceAllocationInfo` (which decides when to use small alignment or tight alignment), including:
+  - Added support for 1D and 3D textures when `D3D12MA_USE_SMALL_RESOURCE_PLACEMENT_ALIGNMENT = 2` (#78, #79).
+  - Fix for cases when `D3D12_TEXTURE_LAYOUT_64KB_*_SWIZZLE` is used (#86).
+- Fixes for build errors in MinGW (#77).
+- Fixes and improvements in documentation and tests.
+
 # 3.0.1 (2025-05-08)
 
 - Fixed macros `D3D12MA_RECOMMENDED_ALLOCATOR_FLAGS`, `D3D12MA_RECOMMENDED_POOL_FLAGS` (#73).

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.25)
 
-project(D3D12MemoryAllocator VERSION 3.0.2)
+project(D3D12MemoryAllocator VERSION 3.1.0)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 

diff --git a/LICENSE.txt b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2019-2025 Advanced Micro Devices, Inc. All rights reserved.
+Copyright (c) 2019-2026 Advanced Micro Devices, Inc. All rights reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

diff --git a/bin/D3D12Sample.exe b/bin/D3D12Sample.exe
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diff --git a/docs/html/annotated.html b/docs/html/annotated.html
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+<tr class="memitem:a0acdc6b31e957b6d83762bdaace6d255" id="r_a0acdc6b31e957b6d83762bdaace6d255"><td class="memItemLeft">UINT64&#160;</td><td class="memItemRight"><a class="el" href="#a0acdc6b31e957b6d83762bdaace6d255">GetAlignment</a> () const</td></tr>
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 <a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
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 <p>Releases the resource currently pointed by the allocation (if not null), sets it to new one, incrementing its reference counter (if not null). </p>
-<dl class="section warning"><dt>Warning</dt><dd>This is an advanced feature that should be used only in special cases, e.g. during <a class="el" href="defragmentation.html">Defragmentation</a>. Typically, an allocation object should reference the resource that was created together with it. If you swap it to another resource of different size, <a class="el" href="statistics.html">Statistics</a> and budgets can be calculated incorrectly. </dd></dl>
+<dl class="section warning"><dt>Warning</dt><dd>This is an advanced feature that should be used only in special cases, e.g. during <a class="el" href="defragmentation.html" title="Defragmentation">Defragmentation</a>. Typically, an allocation object should reference the resource that was created together with it. If you swap it to another resource of different size, <a class="el" href="statistics.html" title="Statistics">Statistics</a> and budgets can be calculated incorrectly. </dd></dl>
 
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