I upgraded to 9.100-16 on May 15, 2013 and then a couple of days later, I noticed my Apple iOS 6.1.3 Youtube 1.3.0 app stopped working for a lot but not all youtube videos ("playback error"). The only workaround for that was to put the iOS device into the skip transparency list, as turning off AV scanning did not help. I already had turned on "Bypass content scanning for streaming content" under Web Protection: Web Filtering:Advanced since before the upgrade.
I have attached the httpproxy log (zipped up to save space) showing excerpts of when the playback error occurred.
It seems the playback error would occur when the youtube video had an ad/commercial to play first. If the video did not have an ad, there was no problem.
I have since reverted the UTM firmware back to 9.006-5 (clean install and then restoring the backup of the config prior to upgrade and fiddling with the interfaces to my preference) and the problem disappeared.
Has anyone else seen this issue?
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