Some of this I'm sure is my particular usage but still...
Examples: When the controller batteries are low I get a warning in the middle of my session and it sticks around way too long. If a battery dies in a controller the message is undismissible. The software I use works fine with one controller but instead I have to stop what I'm doing, remove the headset, find a battery, install it, put the headset back on, resume the software, and often reset the view because anytime you take the headset off it resets it's orientation.
There are also times where it just says "Fatal Error" and exits when the battery dies.
Another issue is I have 2d software I use in VR because having a giant screen is nice. But, Oculus insists on playing some annoying hum sound in the home screen with the built in desktop viewer. Note: I'm not using the 3D environments as my home screen because that ads more time to get stated. So, in any case, I have to launch something to get rid of the sound. I usually pick a video viewer app because it's very small and then pop up the desktop over it without selecting a video. But, Oculus is apparently unaware of this use case because they break this in some new way every few releases.
The latest is, if you bring up the desktop in the middle of an app, after about 5 seconds it automatically takes you back to the VR app. It's almost like they forgot the feature exists. Other issues in this area are it went from a fairly rock solid feature to one out of 3 times entering into some bug loop where it flips between paused mode (desktop) and VR app mode. Being able to get out of this loop bug has about a 1 in 4 chance. Fixing it removing the headset and restarting the Oculus software on the PC. Then starting whatever apps you were in.
Note that I'm using a Rift-S. I tried using a Quest 3 with Link which tries to give you the same experience but the Link was way way too flaky, crashing 1 of 3 times, when I pulled up the desktop.
Another feature that broke, which I used frequently, was pulling up the desktop and pinning it so it stays visible while a VR app is running. It was a great way to goon.
And, all of this is using porn software which makes it hard to make bug report that will be taken seriously.