Just upgraded from 3.0.7 to 3.5.4 and...
 

What all would i have to fix for my theme for 3.0.7 to work with 3.5.4? Since my theme dont work with it and it was customed made. I just need to know what all i need to change like which templates, Thanks.

You can start here. http://www.vbulletin.com/forum/showthread.php?t=187654

Then work your way up through the betas and release candidates.

I already upgraded to 3.5.4.. i just need to know which templates need to be redone in the skin.

The threads on vB.com contain the information about what has changed between versions. Literally start with the 3.0.8 release announcement and carry out the changing listed in there, and continue through all the 3.0 release threads then the 3.5.0 beta (I think it started with beta 3) then 3.5.0 RC's then continue to 3.5.4

It will take a good while, so make sure that you have plenty of time, and don't miss any step otherwise something will still be broken.

If something still doesn't work after all the edits via the announcment threads, then you will need to contact whoever made your skin to see if they have a 3.5.x version.

Thank u alot, it worked. i didnt customize any templates, i just needed it so my 3.0.7 theme works now with 3.5.4 since i reverted the changed templates.