This is a bulk resolve of issues that haven't been updated to 0.16.0+ yet. Please comment below (To open the ticket) and update your affected versions. If you cannot reproduce the bug, please write in the comments so we can resolve it as "Cannot Reproduce". Thank You!
Seems like Bedrock is the only version to have skeletons with the old AI. The stray does hold the bow like they are charging it but there is no animation.
Affects 0.15.90.2.