Portal 2 Update Released

[siosios]

An update to the Portal 2 has been released. The update will be applied automatically when your Steam client is restarted. The major changes include:

- Fixed glass and grating items causing maps to fail compiling in some configurations
- Fixed Puzzle Maker UI menus sometimes dismissing themselves just after opening
- Fixed Puzzle Maker autosaves not being deleted properly on Macs
- Multiple localization fixes

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