6.0.13
emscripten-core/emscripten6.0.13Oct 19, 2026by emscripten-bot
Upgrading?
AI Summary
Removes legacy Windows launcher file support, deprecates the MEMORY64=2 flag, and removes the undocumented FS.filesystems object while updating libpng.
Key Highlights
- Removed support for windows .bat/.ps1 launcher files
- MEMORY64=2 marked as deprecated
- Undocumented FS.filesystems object removed
- libpng port updated to 1.6.59
Breaking Changes
- Support for windows .bat/.ps1 launcher files was completely removed
- The undocumented `FS.filesystems` object was removed
New Features
- Updated libpng port (1.6.58 to 1.6.59)
Full Release Notes
## What's Changed - Support for windows .bat/.ps1 launcher files was completely removed. These days we use a native windows launcher program. (#27359) - `MEMORY64=2` was marked as deprecated. (#27952) - The undocumented `FS.filesystems` object was removed. Replace things like `FS.filesystems['MEMFS']` with plain `MEMFS`. (#27940) - libpng port updated from 1.6.58 to 1.6.59. (#27956) ## Contributors Thanks to the following contributors: @sbc100 (30) @kleisauke (3) @guybedford (2) @juj (2) @dasa (1) @dimokol (1) @hoodmane (1) @kripken (1) **Full Changelog**: https://github.com/emscripten-core/emscripten/compare/6.0.12...6.0.13
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