Minecraft wiki entry for Development_versions, associated text: Added an unused[33] subtitle for traveling through a nether portal, "Portal noise fades".
Added a subtitle for activating a nether portal, "Portal noise intensifies".
Added a subtitle for cat purring, "Cat purrs".
Added a subtitle for donkey eating, "Donkey eats".
Added a subtitle for fox teleporting, "Fox teleports".
Added subtitles for mules neighing and eating; "Mule neighs" and "Mule eats", respectively.
Added subtitles for parrots imitating hoglins, piglins, and zoglins; "Parrot growls", "Parrot snorts", and "Parrot growls", respectively.
Added subtitles for zombies attacking and breaking wooden doors; "Door shakes" and "Door breaks", respectively.
Added subtitles for using cartography tables, looms, and stonecutters; "Map drawn", "Loom used", and "Stonecutter used", respectively.
Several of these subtitles do not show up in game, but are specified in sounds.json.