openlayers/openlayers — comment on commit 794440750c50e570fdab24abf037abf7c14006b5
File:  line 0
By ahocevar:

After some investigation I saw that this is not a regression. We had the same with my previous backbuffer code and also with the original backbuffer code in 2.11. So for now I'm going to turn the resize effect off in that example, but at some point we should fix the cause of the problem.