I've also lived through that era and used OS/2 extensively. Display drivers were always the weak point of the system.
At one point, after a very prolonged struggle, I managed to get 800x600 resolution working (standard was 640x480). The gigantic sense of achievement I felt at that moment hasn't been repeated in 30 years hence.
Warp on, I didn't have video driver issues. I had a personal machine as well as a work machine (actually ran win32 and win16 builds onthe work machine) that never really had an issue.
From the article, it does look like things got better around then. I do recall running 2.1 as well but was more of a try it out thing. I actually miss OS/2
At one point, after a very prolonged struggle, I managed to get 800x600 resolution working (standard was 640x480). The gigantic sense of achievement I felt at that moment hasn't been repeated in 30 years hence.