I can’t find my issues report, and can’t find the discussion on the Xojo forum.
Here is a discussion with animated gifs to show the problem in the Ifnotnil website
Some of these discussion were on the Xojo website with Michel Bujardet (May he rest in Peace), and Julian Samphire (no longer a member of the Xojo forum).
I did create the plugins due to the many issues with Xojo canvas and OpenGL on Xojo Windows, not on other programming languages with Windows.
Here is one of the many discussions on the Xojo forum with Windows and graphics flicker, etc:
It appears Geoff Perlman was also involved in some of these discussions on the Xojo forum:
Here is a Xojo forum with more issues with Xojo Windows flickering:
The summary is Xojo Windows has been poor for graphics with Canvas and OpenGL. Since this was not being addressed by Xojo, I wrote my own plugins to bypass the issues with Xojo GUI to get the graphics performance seen with other programming languages.