Minecraft wiki entry for Development_versions, associated text: MC-106296 – Wrong subtitle for sound (sounds.json mistake)
MC-107171 – maxEntityCramming is off-by-one
MC-107407 – Zooming out an explorer map turns the map blank
MC-107410 – Observer block outputs single game tick pulse, not single redstone tick pulse
MC-107600 – Observer block causes bottom half of bed to break
MC-107662 – Observers can cause blocks to be stuck in the powered state when being pushed by pistons
MC-107730 – Oberserver block powers air blocks
MC-107783 – Observer powers redstone dust only to level 1
MC-107795 – Redstone connects to Observer Blocks on sides
MC-107869 – Llamas often spawn in blocks and die while in mountainous regions
MC-107907 – Llama spit is not saved as entity
MC-107934 – Observers are placed with the input facing the player (unlike MCPE)
MC-107957 – Hopper: java.util.ConcurrentModificationException
MC-107959 – Buttonspamming with observerblocks
MC-108045 – Minecraft not using latest unifont unicode chart, characters are missing
MC-108054 – Observer rotates when being udpated, moved and then reloaded
MC-108216 – Copying then zooming out an explorer map make it lose its structure pointer
MC-108270 – Wither skeleton spawing quelled by normal skeletons
MC-108399 – No subtitle for when the totem of undying activates