I totally forgot it, but I also reported the same bug back in 2011:

https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Main=19120&Number=123676#Post123676

Yes, half time / double time RT don't follow time signature changes. I've just tried with 2019, and unfortunately the bug is still not fixed.


Latest BIAB version, latest build.