(In reply to Michael Eagle from comment #60)
> Created attachment 144787 [details]
> attachment-8612-0.html
> 
> I am seeing reports with old BIOS, such as F.19.
> I have a 15-cp0001na
> https://support.hp.com/ie-en/drivers/selfservice/hp-envy-15-cp0000-x360-
> convertible-pc/20270303/model/23086446
> Latest available is F.42 Rev.A
> I am wondering if by any chance would be a match to other models also.

The latest BIOS for my HP Envy x360 15-bq100 is F.21:
https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-envy-15-bq100-x360-convertible-pc/16851053/model/18706859/swItemId/ob-232955-1?sku=1ZA02AV

My current kernel is 5.1.17-300 and so far there hasn't been any boot issues
yet.