debug-world issues
MC-105206Some blocks in the debug world don't always render
Won't Fix
MC-123605Debug world still sets clear weather time instead of deactivating gamerule doWeatherCycle
Confirmed
MC-130098Debug world spawns player at y=2 instead at y=70 where all the blocks are
Fixed
MC-130526Stripped Oak Log and Jungle Sign block states are placed after Stripped Pale Oak Log and Cherry Sign block states in debug mode, respectively
Confirmed
MC-132395In the debug world, the birth point is at Y=2 And after debugging kill in the world
Duplicate
MC-138803Upgrading a debug world from 1.13 to 1.14 creates waterlogged block states that are actually unwaterloggable in normal cases.
Won't Fix
MC-180480Default world difficulty and game rule settings do not update when switching world type to Debug Mode
Low
MC-180486Creating a debug world sets the world's difficulty to Peaceful regardless of the option selected at the world creation page
Confirmed
MC-185285Entering the End or the Nether after creating and reentering a debug world crashes the game
Fixed
MC-192142Data Packs button in Debug Mode world type missing
Invalid
MC-268637You can change the biome in debug world by "/fillbiome"
Won't Fix
MC-278751Some blocks keep making noise in debug mode world
Duplicate