- Sources: Minecraft 26.3 Snapshot 4 notes, GamingOnLinux, HN discussion
- Summary: Minecraft Java Edition's 26.3 Snapshot 4 replaces GLFW with SDL3 for window management, input, and platform integration. Keyboard input now uses SDL scancodes for physical key positions and SDL keycodes for layout-dependent editing shortcuts, the minimum window size becomes 320x240, Borderless Fullscreen becomes the default and swaps with Exclusive Fullscreen without a restart, and the Raw Input mouse option is removed in favor of relative mouse mode. On Linux the client now prefers Wayland natively when available. The snapshot reached Hacker News on 2026-07-19.
- Why it matters: A GLFW-to-SDL3 migration in one of the most widely installed Java desktop clients is a datapoint for the broader SDL3 shift and brings native Wayland support to a mainstream game client.
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