🛠️ 傳送門 2 更新紀錄
開發商在 Steam 發布的官方公告：修補檔、新內容與活動，依時間整理。點標題看完整內容。
2026 年 9 月
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9/30三🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2: - Security and exploit fixes reported via HackerOne. - Removed an obsolete URL from the Super 8 teaser.
2026 年 6 月
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6/30二🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed failing to launch on Linux.
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6/26五🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed subtitles not playing during end credits. - Fixed not returning to the main menu when credits finish. - Security and exploit fixes reported via Hacker…
2025 年 2 月
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2/6四🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed a compatibility issue that was causing a crash on Linux clients.
2025 年 1 月
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1/21二🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed exploits used to crash remote players.
2024 年 6 月
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6/25二🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2: - Fixed a remote code execution exploit and out-of-memory exploit in cooperative mode.
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6/4二🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2: - Fixed some exploits that could lead to crashes or remote code execution against a co-op partner. Reported via HackerOne.
2024 年 2 月
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2/6二🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed the ping tool not working in co-op.
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2/3六🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed not being able to play local splitscreen.
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2/3六🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed several exploits that could crash a coop partner's game. All reported via HackerOne.
2024 年 1 月
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1/6六🛠️ 修補 / 更新Portal 2 - Update
- Fixed several remote code execution and crash exploits against co-op partners. All reported via HackerOne. - Fixed a regression in targeting some entities with the ping tool.
2023 年 4 月
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4/27四🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2 and Portal 2 Authoring Tools. - Fixed several crash and remote code execution exploits, reported via HackerOne.
2023 年 3 月
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3/26日🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed two remote player crash exploits. - Fixed a crash on launch that some uses were experiencing.
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3/15三🛠️ 修補 / 更新Portal 2 - Update
An update has been released for Portal 2. - Fixed several remote code execution and crash exploits against co-op partners. All reported via HackerOne.
2023 年 1 月
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1/18三🛠️ 修補 / 更新Portal 2 Update
An update has been released for Portal 2 - Minor code maintenance, no customer-facing changes.
資料來源：Steam 官方公告（每 6～24 小時更新）。標題與摘要版權屬於原開發商。