The new 15w47b sounds don't show up in the subtitles, such as the witch's and squids. Try it out with
MC-93013
New sounds don't show up in subtitles
Resolved
Duplicate
0
EpicEasiness
(Unassigned)
Unconfirmed
Minecraft 15w47b
Retrieved
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-93011. You can find or add further information on that report.
If you haven't, please search before reporting any bugs, as it's likely that one exists already.