This thread is to help people test OpenTyrian's latest SVN build in Windows if they lack the skill, or are too lazy, to compile it themselves. I compile it with MinGW and test the program with a clean Tyrian 2.1 installation before posting it here.
Did anyone address the friction issue? My guess is that because the ship drifts down to vspeed of ~3 (I'd guess 3 because of background movement), the friction kicks in to prevent instant stopping. However, it's almost always active now, and I have more force against the ship every keypress.
Now, I note you said that the volume problem was present as of build 508, but has that "officially" been fixed yet? I'm seeing it on 513 here, and I'm just wanting a little clarification on that one issue-- it's about the only showstopper I've run into yet.
With the latest version, the armor repair twiddle doesn't seem to be working properly. It will drain the shields but won't do anything with the armor.
Also, I've discovered that if you upgrade a front or rear weapon as far as the money you have will take it and then select a more expensive weapon, it will keep the upgrade level and generate a negative cash value. I think the original game starts you off at level 1 when you select a new weapon, so this might be a way to handle it.