this is a topic more for me, to know at the next update where to look for the modifications

1. File attachement hack
2. Image resize fix
3. Resize remote avatars
4. Report post hack
5. Search engine optimization
6. Search forum in viewforum
7. Forum image
8. RSS Syndication
9. Quick reply with quote
10. Latest topic on idex
11. Hypercells
12. Meta Tags
13. Anti robotic registration

and many others. will be added as soon i remember them