How is unstable for dayly use?

[Cleverson Casarin Uliana]

Hi all,
I've tried ArchLinux, but speech-dispatcher is probably broken, or maybe 
some other thing audio-related there. In any case, I'm currently 
evaluating whether Debian unstable or testing is more suitable for me, 
specifically whether Debian unstable tends to break more or less than 
Arch. My plan is basically to install a console-based system, then 
install a minimal window manager like I3 to use a browsser like Firefox 
or Microsoft Edge, maybe other desktop apps in the future, but 
preferably console-based applications as long as I adapt to them.

Anyone who uses unstable or testing, please tell whether you have 
already had a breakage, either a system breakage or application 
breaking, in particular regarding accessibility, e.g. Orca stopping to 
read anything, loss of audio in the console, etc., so I can decide 
whether I go for unstable or testing. If you can also compare the 
stability of the system and applications to ArchLinux, I'll be grateful.

Also, I've checked a few packages on the packages website, and I 
verified that Orca in particular is still at version 43.1 in both 
Unstable and Testing, while it's 44.1 in the experimental version. Since 
44.1 was released around one month ago, may I ask whether it is normal 
for accessibility-related packages to take a long time to migrate to 
unstable?

Thanks,
Cleverson