they save the files in:
github.com
allegedly with source code.
https://nightly.vba-m.com/ or https://vba-m.com/
it doesn't open for me right now and so I don't have access to the nightly versions.
why don't you offer the nightly versions on the official github?
github.com
it would be nice to have a higher availability source with newer versions.
_o/
GitHub - vbaemulator/Visual-Boy-Advance: Game Boy Advance Emulator
Game Boy Advance Emulator. Contribute to vbaemulator/Visual-Boy-Advance development by creating an account on GitHub.

allegedly with source code.
https://nightly.vba-m.com/ or https://vba-m.com/
it doesn't open for me right now and so I don't have access to the nightly versions.
why don't you offer the nightly versions on the official github?
Releases · visualboyadvance-m/visualboyadvance-m
The continuing development of the legendary VBA gameboy advance emulator. - visualboyadvance-m/visualboyadvance-m

it would be nice to have a higher availability source with newer versions.
_o/