Index: .github/workflows/build.yml
===================================================================
diff -u -rf29f3c6947413a98399c198cf966a526da536861 -r2a01cc6febba9425860954032c0d7ce6e21d1a94
--- .github/workflows/build.yml	(.../build.yml)	(revision f29f3c6947413a98399c198cf966a526da536861)
+++ .github/workflows/build.yml	(.../build.yml)	(revision 2a01cc6febba9425860954032c0d7ce6e21d1a94)
@@ -1,3 +1,4 @@
+# core-8-7-a5-rc
 name: Build
 on: [push]
 jobs:
@@ -56,6 +57,10 @@
             compiler: gcc-10
             tcltag: core-8-7-a3
             experimental: [false]
+          - os: macos-latest
+            compiler: gcc-10
+            tcltag: core-8-7-a5-rc
+            experimental: [false]
           - os: ubuntu-latest
             compiler: gcc-10
             tcltag: core-8-5-19
@@ -68,6 +73,10 @@
             compiler: gcc-10
             tcltag: core-8-7-a3
             experimental: [false]
+          - os: ubuntu-latest
+            compiler: gcc-10
+            tcltag: core-8-7-a5-rc
+            experimental: [false]
     defaults:
       run:
         shell: bash
Index: appveyor.yml
===================================================================
diff -u -r7bb2abc42a04503ab676dede6149563637b1b38e -r2a01cc6febba9425860954032c0d7ce6e21d1a94
--- appveyor.yml	(.../appveyor.yml)	(revision 7bb2abc42a04503ab676dede6149563637b1b38e)
+++ appveyor.yml	(.../appveyor.yml)	(revision 2a01cc6febba9425860954032c0d7ce6e21d1a94)
@@ -37,6 +37,10 @@
     TOOLCHAIN: autoconf-tea
   - TCLTAG: core-8-7-a3
     TOOLCHAIN: nmake-tea
+  - TCLTAG: core-8-7-a5-rc
+    TOOLCHAIN: autoconf-tea
+  - TCLTAG: core-8-7-a5-rc
+    TOOLCHAIN: nmake-tea
   - TCLTAG: core-8-branch
     TOOLCHAIN: autoconf-tea
   - TCLTAG: core-8-branch