- upload-artifact@v4+ fails on Gitea/act_runner (GHESNotSupportedError — the GitHub artifacts API is not implemented), so merge the android, desktop and release jobs into one: build APK+AAB + desktop zip/deb, then create the release and upload attachments from the workspace - jpackage --type deb needs fakeroot, which the runner image lacks — install it via apt - sync CI-SETUP.md §3 with the restructured workflow