Minecraft Bedrock Debugger vs Minecraft Bedrock Editor

Minecraft Bedrock Debugger is a free, open-source Visual Studio Code extension for developers building Minecraft Bedrock behavior packs and add-ons with JavaScript or TypeScript. It connects through script debugger commands, using port 19144 by default, and supports breakpoints, stepping, a Locals pane and watches. Developers can run Minecraft slash commands and keep shortcuts for favorite commands. Performance tools provide diagnostics and a script profiler that saves captures to a configured local path. Minecraft 1.21.10 or later can expose server statistics including entities, chunks, memory, tick time and network usage. Client diagnostics include FPS, memory, entity systems and CPU profiling, but require Minecraft’s “Enabled client diagnostics” creator setting. Scripts can add live diagnostics through the @minecraft/debug-utilities module. TypeScript projects can use source maps through sourceMapRoot and generatedSourceRoot. Dedicated Server debugging requires enabling inbound or outbound script-debugging settings in server.properties, which are disabled by default. Changing variable state and immediate mode are unsupported.

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