Looking at Debian's release-critical bugs, you can see that Trixie is close:
Testing now has fewer critical bugs than Stable, and the number is dropping quickly.
About 200 bugs still need to be fixed to get the number down to where the previous releases were done.
Maybe you can help? Bugs blocking the next release can be as simple as missing translations for the upgrade instructions.
I upgraded to Trixie last week.
It already worked as flawlessly as I'd expect it when the release is official.
It installed a bunch of new packages, removed the same number of obsolete ones, and upgraded everything else.
On the next apt update, it asks to reformat sources.list and that's it.
