This list doesn't include any changes, unmentioned in our changelogs. If some dota2-related change missing from main changelog, most probably it wasn't ported at all. If you spotted something which was ported but not listed - please, report it here.
- Windrun effectively avoid all incoming projectiles on cast, including magical. In dota2 only attacks avoided.
- Diffusal Blade on ranged illusion burns mana, while in Dota2 they don't
- Primal Split Earth Spirit attack type changed from piercing into "normal", which effectively incrased his damage on heroes by 50%. In DotA2 its stil piercing.