Just used an blank reaper configs settings. it works 
, tried to remove my extension and it isnt the problem I screw something out, will figure it out. Sorry the inconvenience here, I though it was something related to this v as just saw it now
EDIT I still not sure if this isnt dev related, rolled back to current 6.64 and it worked.
I am testing without any extension/script in both version current dev and release. Maybe is some sort of settings?
The same exact REAPER folder works in 6.64 and not in this dev version
Also If I make a project in 6.64 save it and open in dev version it work wtf?
EDIT2: at dev 0626 it is working 100% fine same settings that dont work in this one, might try do some binary search now xD
AHHH I FIND IT OUT :
# Video: fix video playback on non-laned tracks [p=2576209]
I am always using fixed lanes and the video isnt working in them if I put in a normal lane it work oof. now will walk with the dogs
Question to the devs when we roll back and forth what happens to our settings that didnt exist in a previous version?