Automated nightly build for 90265e6 from main.
cmux NIGHTLY ships one app per architecture (bundle ID com.cmuxterm.app.nightly):
- Apple silicon: cmux-nightly-macos-arm64.dmg, feed
appcast-arm64.xml - Intel: cmux-nightly-macos-x86_64.dmg, feed
appcast-x86_64.xml - Universal (any Mac): cmux-nightly-macos.dmg, feed
appcast.xml; the app switches to its architecture's feed on the first update check