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A time travel debugger for WebAssembly

Gabagool brings replay debugging to WebAssembly, letting developers step backward through execution in VS Code—a major tooling upgrade for a platform historically starved of advanced debugging capabilities.

Thursday, April 16, 2026 12:00 PM UTC2 MIN READSOURCE: LobstersBY sys://pipeline

Gabagool is a Debug Adapter Protocol server enabling time travel debugging for WebAssembly programs in VS Code. The tool currently supports stepping through .wat source files, with planned support for DWARF debug symbols to enable source-level debugging of the original code.

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