Major sidetone delay/echo after upgrade

I just upgraded from 1.2.23 to 1.2.24 and introduced a .5 to 1 second delay in the sidetone with no other quality issues. All the config files are the same aside from the new ones that appear in .24 which i haven’t touched. Any ideas on what would cause this issue?

I had the same thing with my TDMxxx card. I presume you have one also? Anyway, I fought and fought it and finally downgraded to the 1.2.20 I think. I’d love to know what the problem was. The echo on mine was so bad it was un-usable.