Wish you all a Merry Christmas and a Happy New Year 2021 Support continues in 2021 of course . Stay all healthy and cheerful. 

Are you going to start building los 18 soon?
New update for oneplus 5 / 5T microG is available via ota or see download link
Changelog lineageos
- Synced with lineageos sources
- Merged januar 2021 Security Update
Changelog microG
- GmsCore: Update to 0.2.17.204714
- FDroid: update to 1.10
Download link Oneplus 5T
lineage-17.1-20210116-microG-signed-dumpling.zip
Download link Oneplus 5
lineage-17.1-20210115-microG-signed-cheeseburger.zip
Thank you!@rent2
Is but strange with me it worked wonderfully via OTA . You can also download the build via the download link and then install via twrp or sideload.
Your data will not be touched
Thank you!
Maybe the problem occurs due to the recovery (lineageos) I installed?
For long term I would like to use OTA again. Before I upgraded 17.1 I had TWRP installed, may be I go back to that, and try it for future OTAs?
...
I found out and installed TWRP. Now I will wait for the next OTA.
Thanks, I installed OrangeFox recovery for a try.Yes, I use Orange Fox Recovery Download link I had posted here a few days ago .
/*
* Your warranty is now void.
*
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*
*/