Yes. When creating a world, switch to “Creative” mode, or use the /gamemode creative command if cheats are enabled.
To play with friends using Eaglercraft 12110: eaglercraft 12110
Reports for version 1.21.10 (Java/Eaglercraft ports) mention item duplication glitches involving dyed Shulker blocks and specific inventory slot placement. Some 1
Some 1.21 ports, such as those by developers like radmanplays, claim high performance (e.g., 300+ FPS) on lower-end hardware like school Chromebooks using TeaVM technology. Known Features & Limitations: Some 1.21 ports
is an unofficial port of Minecraft Java Edition (specifically based on Minecraft 1.2.10 protocol and gameplay features) designed to run entirely within a web browser using WebAssembly, WebGL, and HTML5. It allows users to play a near-full Minecraft experience without downloading or installing the official game, and it supports both single-player and multiplayer (including LAN and custom server connections).