of all these is 2.85.1 working with this plugin? what about 3.0x 4.0x 5.0x 6.0x, how long does this plugin work before the version update had broken it the plugin for calibre? was the 2.0 series the last one it worked under, is my question for today.
https://download.calibre-ebook.com/
Previous calibre releases
Choose a series of calibre releases
8.x [9 releases]
7.x [28 releases]
6.x [38 releases]
5.x [58 releases]
4.x [28 releases]
3.x [66 releases]
2.x [95 releases]
1.x [49 releases]
0.9.x [45 releases]
0.8.x [71 releases]
0.7.x [59 releases]
0.6.x [38 releases]