What changed in Portal 2 in 2026

4 updates · Jun 26, 2026 to Sep 29, 2026

Sep 29, 20262 events
Security and exploit fixesbug fix
Fixes reported via HackerOne.
Steam
Removed obsolete URL from Super 8 teaserchanges
Steam
Jun 29, 20261 event
Fixed failing to launch on Linuxbug fix
Steam
Jun 26, 20261 event
Fixed Launch Issue on Linuxbug fix
Resolved an issue that caused the game to fail to launch on Linux systems.
Steam