There are a couple of threads with opinions on the Reddit sub. Bere is what I wrote there:
I've been using it since it was announced and it works great. Vibrations seem better to me than on stock.
VoLTE and VoWIFI are enabled by default and work great.
Refresh rates work up to 120hz, although when I switch the work profile on, it downgrades itself to 60hz - just needs to re-set to 120hz
The only weird thing is that the pattern unlock dots have the fingerprint scanner right in the middle, so you need to be careful when you do your pattern, as if your finger gets on top of the scanner, it activates and you need to do the pattern again. I think this is a problem on other custom roms.
When I was using Havoc, I had to wake the screen with the power button to use the fingerprint scanner, I couldn't use it when the phone was locked. This is not an issue on lineage, it works great.
As with the other custom roms, the air triggers and the armoury crate don't work.
The battery is on par with stock, I'd say, maybe a bit better but not noticeable. The best thing is that the battery saver option really is great. I haven't noticed massive delays in notifications while in battery saver and I got way better SOT than I ever got on stock. The downside is that I can't force the AOD to be on in this mode, and tbh this was the single most important reason why I installed a custom rom. The AOD on stock is beyond crap.
Weekly updates are nice, although none of the fixed bugs affected me. No new features yet, as far as I can tell. I think updates are overrated anyway, especially if they don't give you extra functionality.
Definitely works as a daily driver.