The Minecraft PE 1.17.40 update, released on October 19, 2021, introduces several bug fixes, performance improvements, and experimental features as part of the Caves & Cliffs Update: Part I. Key updates include enhanced mob behaviors, refined world generation, and various technical adjustments.
Minecraft Pocket Edition (PE) 1.17.40 Update Overview
- Update Name: 1.17.40 Hotfix (Caves & Cliffs Update: Part I)
- Platform: Pocket Edition (PE)
- Version Number: 1.17.40
- Release Date: October 19, 2021
- Revision Type: Minor Release
Items
No new items were added in this update.
Mobs
- More mobs now spawn underground in the Overworld.
- Cartographers consistently provide new maps across all platforms.
- Fixed issues with mobs walking into flames (MCPE-23835) and villagers spamming doors (MCPE-28055).
- Resolved rendering issues with Leads (MCPE-63931) and fixed armor rendering for Pillagers and Vindicators (MCPE-74242).
- Addressed issues with Vindicator Axes rendering (MCPE-123229) and improved mob pathing around partial blocks (MCPE-127381).
- Bees now spawn correctly (MCPE-132195) and Tropical Fish retain their colors when interacted with (MCPE-137158).
- Iron Golems now spawn only on solid blocks (MCPE-140145).
Status Effects
No new status effects were added.
Enchantments
No new enchantments were introduced.
Game Commands
- Fixed the alignment of sidebar displays from the /scoreboard command with changing text lengths.
- Command Blocks with ‘Needs Redstone’ and a non-zero ‘Delay in Ticks’ now execute only if powered for the full delay (MCPE-74281).
- Fixed the display of Education Edition items in command options (MCPE-78363).
- Corrected the ability to summon experience orbs using the /summon command (MCPE-130835).
Experimental Features
- Introduced new world and cave generation features with the Caves & Cliffs experimental toggle, including a new mountain biome called Stony Peaks.
- Corrected vegetation in Mountain Meadows and adjusted Dripstone Cluster and feature generation.
- Tweaked ore distribution and biome placements to align with Java Edition snapshots.
- Adjusted clouds to Y level 192 and improved mountain and cave biome features.
- Fixed various issues related to world generation, including correct placement of Dripstone features and improved map color display (MCPE-136638).
- Refined Vines and Dripstone generation and improved world visibility culling (MCPE-127565).
Character Creator
- Adjusted the back appearance pieces to avoid covering arrows on the profile screen.
- Fixed sidebar issues in the Dressing Room and improved navigation flow for Character Creator profiles (MCPE-139022).
Realm Changes
- Settings changes made before creating new worlds now transfer properly after creation.
- Enabled ‘server authoritative block breaking’ on Realms and fixed issues related to Marketplace skins and Character Creator crashes.
General Changes
- Beehives now generate facing South.
- Sea Grass no longer spawns under Lily Pads.
- Fixed Marketplace download issues on Nintendo Switch and crashes related to Character Creator.
- Resolved various gameplay issues including Elytra gliding, eating food in Survival mode, trapdoor rotation, and Amethyst geode generation in Strongholds.
Explore every Minecraft Pocket Edition version and its updates in our archive.
