I have been using Debian Trixie for a few months in testing now, I can attest that its a great, stable operating system. Definitely better than Ubuntu in terms of user experience.
The only complaint on a fresh install is that Cinnamon seems to use a ton of CPU when there's a little moving thingy anywhere on the screen (a browser tab that has a loading icon in the tab list is sufficient). This is most noticeable when you have a VM without graphics acceleration (don't ask why in the world my job requires that). Graphics without acceleration is always heavy, but this is an extra process doing whatever on top of the actual load
Then my private laptop has had a bunch of graphic issues after upgrading to 13 (it manifests differently in a lot of applications and it changes when you pick a different desktop theme, not even sure how to describe it). The new pipewire (pulseaudio replacement, idk why that needed replacing) does not work properly when the CPU is busy (so I currently play games without game sounds or music in the background). The latter then also sometimes (1 in 5 times maybe?) crashes when resuming from suspend, but instead of dying, spams systemd which diligently stores it all in a shitty binary file (that you can't selectively prune), runs completely out of disk space, and breaks various things on the rest of the system until you restart the pipewire process and purge any and all logs (remember, no selective pruning)... Tried various things I found in web searches and threw an LLM at it as well, but no dice. I assume these issues are from it not being a fresh install, so no blame/complaint here really, just annoying and I haven't had these issues when doing previous upgrades. Not yet sure how to resolve, perhaps I'll end up doing a completely new install and seeing what configs I can port until issues start showing up
Surely these things are not a Debian-specific issue, but I haven't noticed something like that with either 11 or 12
Edit: oh yeah, and the /tmp(fs) counter is at 1 so far. I wonder how many times I'll have run out of RAM by Debian 14, by forgetting I can't just dump temporary files into /tmp anymore without estimating the size correctly beforehand
The only complaint on a fresh install is that Cinnamon seems to use a ton of CPU when there's a little moving thingy anywhere on the screen (a browser tab that has a loading icon in the tab list is sufficient). This is most noticeable when you have a VM without graphics acceleration (don't ask why in the world my job requires that). Graphics without acceleration is always heavy, but this is an extra process doing whatever on top of the actual load
Then my private laptop has had a bunch of graphic issues after upgrading to 13 (it manifests differently in a lot of applications and it changes when you pick a different desktop theme, not even sure how to describe it). The new pipewire (pulseaudio replacement, idk why that needed replacing) does not work properly when the CPU is busy (so I currently play games without game sounds or music in the background). The latter then also sometimes (1 in 5 times maybe?) crashes when resuming from suspend, but instead of dying, spams systemd which diligently stores it all in a shitty binary file (that you can't selectively prune), runs completely out of disk space, and breaks various things on the rest of the system until you restart the pipewire process and purge any and all logs (remember, no selective pruning)... Tried various things I found in web searches and threw an LLM at it as well, but no dice. I assume these issues are from it not being a fresh install, so no blame/complaint here really, just annoying and I haven't had these issues when doing previous upgrades. Not yet sure how to resolve, perhaps I'll end up doing a completely new install and seeing what configs I can port until issues start showing up
Surely these things are not a Debian-specific issue, but I haven't noticed something like that with either 11 or 12
Edit: oh yeah, and the /tmp(fs) counter is at 1 so far. I wonder how many times I'll have run out of RAM by Debian 14, by forgetting I can't just dump temporary files into /tmp anymore without estimating the size correctly beforehand