Minecraft wiki entry for Development_versions, associated text: MC-29509 – NPE when /summon an item.
MC-29893 – Inventory will not close and re-centers.
MC-30940 – Game crashes and deletes chunks when encountering invalid items, such as lit redstone lamps broken with silk touch.
MC-31669 – Enchanted items hotbar display colored background in shader mode.
MC-31714 – Game never starts on Linux (took about seven minutes before 13w41a).
MC-34750 – Leaves render incorrectly when in containers or the Creative inventory.
MC-35075 – Shadows fail to render.
MC-35689 – Music disc descriptions show records.{recordname} instead of just {recordname}.
MC-36410 – dark oak wood and acacia wood won't turn into charcoal.
MC-36591 – Exiting out of the inventory freezes game and causes jukebox issues.
MC-36715 – 'Search Items' text is white in Creative inventory screen.
MC-36737 – Anvil text is sometimes white and unreadable.