Minecraft wiki entry for Development_versions, associated text: MC-22 – Jukebox audio volume doesn't decrease.
MC-1407 – Tamed wolves and cats despawn.
MC-7134 – Silverfish breaking blocks when "mobGriefing" is set to false.
MC-8112 – Pick-block and furnaces bug.
MC-8260 – Achievement "Hot Topic" uses faceless furnace icon.
MC-12133 – Arrows visually float when shot into a block.