Minecraft wiki entry for Development_versions, associated text: Light propagation now works correctly, fixing hostile mob spawning (MCPE-49616).
Typing in the inventory Search field no longer creates lag (MCPE-64584).
The smooth camera option (from full keyboard gameplay) is no longer jittery, and is smooth again (MCPE-54969).
Fixed an issue with the Marketplace not always loading in correctly.
Fixed an issue with notifications not showing in iOS.
The hay blocks in the town center in the Abandoned Village seed are now generated correctly.
The screen reader now only reads the generating world message once when converting worlds to Bedrock
Ender Dragon’s fireball lingering particles are no longer invisible
Activator rails now dismount players and other mobs at the correct position (MCPE-30744).
The Wither’s spawning explosion no longer breaks obsidian (MCPE-59502).
Obfuscated text color code works on signs placed in the world (MCPE-33780).
Bamboo has been changed to be unpathable by mobs to prevent them getting stuck (MCPE-46805).
Target block redstone signal duration is based on projectile type - Long for trident and arrows, short for other projectiles (MCPE-65413).
Armor stands no longer shift and fall through blocks when a world is reloaded (MCPE-29170).
Fixed ping latency clarity for users.