Minecraft Java Edition since 26.1: how much RAM (-Xmx) do you give the game, and what finally fixed your crashes or stutters?
Since Minecraft: Java Edition 26.1 (March 24, 2026), the game allocates 4 GB of RAM by default instead of 2 GB, and Mojang’s help center tells players with 4 GB of RAM or less to set it back to 2 GB by hand. So how much memory do you giv…