Minecraft's Snapshot 26.3 update transitions the Java Edition from GLFW to SDL3, improving window management, input handling, and platform support. It uses SDL scancodes for key positions and SDL keycodes for text shortcuts, enhancing control responsiveness. The Raw Input mouse option has been removed, and players can switch between Borderless and Exclusive Fullscreen modes without restarting the game. However, Exclusive fullscreen mode may cause crashes on Windows and is not supported on macOS.
Players in Spectator mode can now interact with Nether portals, End portals, and End gateways. The debug overlay has been improved, and the creative inventory has been reorganized. Armadillos will no longer roll up while submerged.
New item components for cooking and brewing fuels have been introduced, allowing data pack creators to define parameters like burn duration and cooking speed. Sign behavior has been adjusted to prevent click events by default. There are extensive format changes to world generation, loot tables, predicates, number providers, and advancement triggers, updated to Data Pack version 111.0 and Resource Pack version 92.0.
Snapshot 4 addresses various bugs, but players are advised to back up their worlds before using the snapshot to avoid potential damage to saved games.