diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5a0f83d8..7599abb8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,8 +20,31 @@ jobs:
     steps:
     - name: Install dependencies
       run: |
-        brew install autoconf automake libtool pkg-config check \
-          sdl3 sdl3_image sdl3_ttf
+        brew install autoconf automake libtool pkg-config check cmake \
+          freetype harfbuzz
+
+    # SDL3_image and SDL3_ttf are built here, not taken from Homebrew: Homebrew's builds link
+    # Homebrew's sdl3, which would load a second SDL3 alongside this one.
+    - name: Build SDL3
+      run: |
+        git clone --depth 1 --branch ObjectivelyGPU https://github.com/jdolan/SDL.git SDL3
+        cmake -S SDL3 -B SDL3/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOMEBREW_PREFIX}
+        cmake --build SDL3/build -j$(sysctl -n hw.logicalcpu)
+        cmake --install SDL3/build
+
+    - name: Build SDL3_image
+      run: |
+        git clone --depth 1 --branch release-3.4.4 https://github.com/libsdl-org/SDL_image.git SDL3_image
+        cmake -S SDL3_image -B SDL3_image/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOMEBREW_PREFIX}
+        cmake --build SDL3_image/build -j$(sysctl -n hw.logicalcpu)
+        cmake --install SDL3_image/build
+
+    - name: Build SDL3_ttf
+      run: |
+        git clone --depth 1 --branch release-3.2.2 https://github.com/libsdl-org/SDL_ttf.git SDL3_ttf
+        cmake -S SDL3_ttf -B SDL3_ttf/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOMEBREW_PREFIX}
+        cmake --build SDL3_ttf/build -j$(sysctl -n hw.logicalcpu)
+        cmake --install SDL3_ttf/build
 
     - name: Checkout Objectively
       uses: actions/checkout@v6
@@ -111,7 +134,7 @@ jobs:
 
     - name: Build SDL3
       run: |
-        git clone --depth 1 --branch release-3.4.12 https://github.com/libsdl-org/SDL.git SDL3
+        git clone --depth 1 --branch ObjectivelyGPU https://github.com/jdolan/SDL.git SDL3
         cmake -S SDL3 -B SDL3/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local
         cmake --build SDL3/build -j$(nproc)
         sudo cmake --install SDL3/build
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 39c5e719..2a08d533 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,13 +25,35 @@ jobs:
     # when built from source (i.e. whenever Config.h isn't already present);
     # the macOS runner image doesn't ship autotools by default. configure.ac
     # hard-requires check (via pkg-config) even though release builds don't
-    # run the test suite. sdl3/sdl3_image/sdl3_ttf provide the pkg-config
-    # files that Objectively/ObjectivelyGPU/ObjectivelyMVC's own configure
-    # scripts check for. macvim provides a modern xxd (supporting -t) on
+    # run the test suite. macvim provides a modern xxd (supporting -t) on
     # PATH ahead of the runner's older /usr/bin/xxd, which the Assets
     # "Preprocess Assets" build phase requires.
     - name: Install autotools
-      run: brew install autoconf automake libtool pkg-config check sdl3 sdl3_image sdl3_ttf macvim
+      run: brew install autoconf automake libtool pkg-config check cmake freetype harfbuzz macvim
+
+    # SDL3, SDL3_image and SDL3_ttf provide the pkg-config files that
+    # Objectively/ObjectivelyGPU/ObjectivelyMVC's own configure scripts check
+    # for. They are built here, as in build.yml, not taken from Homebrew.
+    - name: Build SDL3
+      run: |
+        git clone --depth 1 --branch ObjectivelyGPU https://github.com/jdolan/SDL.git SDL3
+        cmake -S SDL3 -B SDL3/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOMEBREW_PREFIX}
+        cmake --build SDL3/build -j$(sysctl -n hw.logicalcpu)
+        cmake --install SDL3/build
+
+    - name: Build SDL3_image
+      run: |
+        git clone --depth 1 --branch release-3.4.4 https://github.com/libsdl-org/SDL_image.git SDL3_image
+        cmake -S SDL3_image -B SDL3_image/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOMEBREW_PREFIX}
+        cmake --build SDL3_image/build -j$(sysctl -n hw.logicalcpu)
+        cmake --install SDL3_image/build
+
+    - name: Build SDL3_ttf
+      run: |
+        git clone --depth 1 --branch release-3.2.2 https://github.com/libsdl-org/SDL_ttf.git SDL3_ttf
+        cmake -S SDL3_ttf -B SDL3_ttf/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOMEBREW_PREFIX}
+        cmake --build SDL3_ttf/build -j$(sysctl -n hw.logicalcpu)
+        cmake --install SDL3_ttf/build
 
     - name: Checkout Objectively
       uses: actions/checkout@v6
@@ -134,7 +156,6 @@ jobs:
 
     - name: Zip xcframeworks
       run: |
-        (cd ObjectivelyGPU/Frameworks && zip -r "$GITHUB_WORKSPACE/SDL3.xcframework.zip" SDL3.xcframework)
         (cd ObjectivelyMVC/Frameworks && \
           zip -r "$GITHUB_WORKSPACE/SDL3_image.xcframework.zip" SDL3_image.xcframework && \
           zip -r "$GITHUB_WORKSPACE/SDL3_ttf.xcframework.zip" SDL3_ttf.xcframework && \
@@ -147,7 +168,6 @@ jobs:
         gh release create ${{ github.ref_name }} \
           --title "ObjectivelyMVC ${{ github.ref_name }}" \
           --generate-notes \
-          "$GITHUB_WORKSPACE/SDL3.xcframework.zip" \
           "$GITHUB_WORKSPACE/SDL3_image.xcframework.zip" \
           "$GITHUB_WORKSPACE/SDL3_ttf.xcframework.zip" \
           "$GITHUB_WORKSPACE/ObjectivelyMVC.xcframework.zip"
diff --git a/Documentation/install.md b/Documentation/install.md
index e94e0d0c..80c2a152 100644
--- a/Documentation/install.md
+++ b/Documentation/install.md
@@ -13,7 +13,7 @@ Tagged releases are published on the [GitHub releases page](https://github.com/j
 
 * [Objectively](https://github.com/jdolan/Objectively) >= 2.2.0
 * [ObjectivelyGPU](https://github.com/jdolan/ObjectivelyGPU) >= 2.2.0
-* [SDL3](https://github.com/libsdl-org/SDL) >= 3.2.0, [SDL3_image](https://github.com/libsdl-org/SDL_image), [SDL3_ttf](https://github.com/libsdl-org/SDL_ttf)
+* [SDL3](https://github.com/libsdl-org/SDL) >= 3.2.0 (CI builds against the `ObjectivelyGPU` tag of [jdolan/SDL](https://github.com/jdolan/SDL), which adds the SDL_gpu query API; see [Installing ObjectivelyGPU](https://jdolan.github.io/ObjectivelyGPU/install.html)), [SDL3_image](https://github.com/libsdl-org/SDL_image), [SDL3_ttf](https://github.com/libsdl-org/SDL_ttf)
 
 ## Building
 
diff --git a/Frameworks/fetch-sdl3-extensions.sh b/Frameworks/fetch-sdl3-extensions.sh
index 8c9c004b..8b8cda54 100755
--- a/Frameworks/fetch-sdl3-extensions.sh
+++ b/Frameworks/fetch-sdl3-extensions.sh
@@ -12,7 +12,7 @@
 #
 set -euo pipefail
 
-SDL3_IMAGE_VERSION="${SDL3_IMAGE_VERSION:-3.4.0}"
+SDL3_IMAGE_VERSION="${SDL3_IMAGE_VERSION:-3.4.4}"
 SDL3_TTF_VERSION="${SDL3_TTF_VERSION:-3.2.2}"
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"