almost 3 years
ago -
Shurenai
-
Direct link
Saves from A19.3 should be perfectly compatible with A19.6; And having loaded that save with A19.6, you can't bring it back to a19.3 (Can't load a save into older versions.)
That said, to answer 'What happened'; With the release of Alpha 20 Stable, Alpha 19 is now an Old version. The beta list only contains the final entry in each major version; EG: A16.4, A17.4, A18.4, and now A19.6; And ALL entries of the Current major stable; EG: A20.0, A20.1, A20.2.
PS: While you can no longer get A19.3 via the beta menu and this won't presently help you, You can make a copy of the installation to literally any other location and steam won't update it; Steam only manages things in the steam folders.
That said, to answer 'What happened'; With the release of Alpha 20 Stable, Alpha 19 is now an Old version. The beta list only contains the final entry in each major version; EG: A16.4, A17.4, A18.4, and now A19.6; And ALL entries of the Current major stable; EG: A20.0, A20.1, A20.2.
PS: While you can no longer get A19.3 via the beta menu and this won't presently help you, You can make a copy of the installation to literally any other location and steam won't update it; Steam only manages things in the steam folders.