Yes, but during the long migration, it was no mere excuse. Almost every time I tried to use a library, it was 2.7 only. That situation has only changed recent

Yes, but during the long migration, it was no mere excuse. Almost every time I tried to use a library, it was 2.7 only. That situation has only changed recently, and with it people have moved on to 3. (Which sort of underscores that the library support was the main issue).