Merge commit '7c373be665ebcf794a297b3c98afd9d94365d9f9' into felipec

These changes can be merged and accepted with limited conflict resolution.

.github/workflows/ci.yml

@@ -1,3 +1,5 @@
+name: CI
+
 on:
   push:
 
@@ -6,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        hg: [ '5.5', '5.6', '5.7', '5.8', '5.9', '6.0', '6.1', '6.2', '6.3' ]
+        hg: [ '5.5', '5.6', '5.7', '5.8', '5.9', '6.0', '6.1', '6.2', '6.3', '6.4' ]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4

tools/versions.txt

@@ -38,3 +38,4 @@
 6.1
 6.2
 6.3
+6.4