1. aa6c1d2 Issue #13575: there is only one class type. by Florent Xicluna · 12 years ago
  2. ead8b7a SF 1055820: weakref callback vs gc vs threads by Tim Peters · 20 years ago
  3. 403a203 SF bug 839548: Bug in type's GC handling causes segfaults. by Tim Peters · 21 years ago