diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index bc833cbc7c6bf..8805550968f24 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -26,8 +26,8 @@ jobs:
       matrix:
         include:
         - name: Clang
-          compiler: clang-15
-          cxxcompiler: clang++-15
+          compiler: clang
+          cxxcompiler: clang++
           libraries: libsdl2-dev
         - name: GCC - SDL2
           compiler: gcc
@@ -80,10 +80,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - os: windows-latest
-          arch: x86
-        - os: windows-latest
-          arch: x64
+        - arch: x86
+        - arch: x64
 
     name: Windows (${{ matrix.arch }})
 
@@ -91,7 +89,6 @@ jobs:
     secrets: inherit
 
     with:
-      os: ${{ matrix.os }}
       arch: ${{ matrix.arch }}
 
   check_annotations:
diff --git a/.github/workflows/ci-emscripten.yml b/.github/workflows/ci-emscripten.yml
index 6e39fcf087ec3..13cce318c7840 100644
--- a/.github/workflows/ci-emscripten.yml
+++ b/.github/workflows/ci-emscripten.yml
@@ -10,7 +10,7 @@ jobs:
   emscripten:
     name: CI
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     container:
       # If you change this version, change the number in the cache step too.
       image: emscripten/emsdk:3.1.57
diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index bfe345412ac32..63bf1e18db332 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -23,7 +23,7 @@ jobs:
   linux:
     name: CI
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     env:
       CC: ${{ inputs.compiler }}
       CXX: ${{ inputs.cxxcompiler }}
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index f4cabfddf53f8..2a0cd004287e2 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -21,7 +21,7 @@ jobs:
   macos:
     name: CI
 
-    runs-on: macos-14
+    runs-on: macos-latest
     env:
       MACOSX_DEPLOYMENT_TARGET: 10.13
 
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index b748e8db2ed2a..789017bdb92a8 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -6,9 +6,6 @@ on:
       arch:
         required: true
         type: string
-      os:
-        required: true
-        type: string
 
 env:
   CTEST_OUTPUT_ON_FAILURE: 1
@@ -17,7 +14,7 @@ jobs:
   windows:
     name: CI
 
-    runs-on: ${{ inputs.os }}
+    runs-on: windows-latest
 
     steps:
     - name: Checkout
diff --git a/.github/workflows/release-docs.yml b/.github/workflows/release-docs.yml
index 83868e52665ef..c811e01e18747 100644
--- a/.github/workflows/release-docs.yml
+++ b/.github/workflows/release-docs.yml
@@ -11,7 +11,7 @@ jobs:
   docs:
     name: Docs
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - name: Download source
diff --git a/.github/workflows/release-macos.yml b/.github/workflows/release-macos.yml
index 7859af6e680d2..db063ab8c4fd3 100644
--- a/.github/workflows/release-macos.yml
+++ b/.github/workflows/release-macos.yml
@@ -12,7 +12,7 @@ jobs:
   macos:
     name: MacOS
 
-    runs-on: macos-14
+    runs-on: macos-latest
     env:
       MACOSX_DEPLOYMENT_TARGET: 10.13
 
diff --git a/.github/workflows/release-source.yml b/.github/workflows/release-source.yml
index 331ba6821dec3..b39e9396e5942 100644
--- a/.github/workflows/release-source.yml
+++ b/.github/workflows/release-source.yml
@@ -18,7 +18,7 @@ jobs:
   source:
     name: Source
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     outputs:
       version: ${{ steps.metadata.outputs.version }}
diff --git a/.github/workflows/upload-gog.yml b/.github/workflows/upload-gog.yml
index 1370988f3eb1e..cbe81c6a845a3 100644
--- a/.github/workflows/upload-gog.yml
+++ b/.github/workflows/upload-gog.yml
@@ -11,7 +11,7 @@ jobs:
   upload:
     name: Upload (GOG)
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - name: Download source
diff --git a/.github/workflows/upload-steam.yml b/.github/workflows/upload-steam.yml
index 47fa48d01b06f..1cf17239fdbb5 100644
--- a/.github/workflows/upload-steam.yml
+++ b/.github/workflows/upload-steam.yml
@@ -14,7 +14,7 @@ jobs:
   upload:
     name: Upload (Steam)
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
     - name: Download source