# Left 4 Dead changelog

> From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox…

- Vendor: Valve
- Category: Games
- Official site: http://www.l4d.com/
- Tracked by: What's New (https://whatsnew.fyi/product/left-4-dead)
- Harvested from: Steam (app 500)
- Entries below: 12 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### Left 4 Dead - Update

- Date: 2026-06-29
- Original notes: https://store.steampowered.com/news/app/500/view/681880049901634822
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-681880049901634822

- **fixed** — Custom sprays now display for remote clients

An update has been released for Left 4 Dead.

- Fixed custom sprays not displaying for remote clients.

### Left 4 Dead - Update

- Date: 2026-06-26
- Original notes: https://store.steampowered.com/news/app/500/view/681880049901634578
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-681880049901634578

- **fixed** — Fixed several exploits that could crash servers or remote players

An update has been released for Left 4 Dead.

- Fixed several exploits that could crash servers or remote players.

### Left 4 Dead - Update

- Date: 2025-08-22
- Original notes: https://store.steampowered.com/news/app/500/view/506211759645786388
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-506211759645786388

An update has been released for Left 4 Dead.

- Block clients' ability to pause dedicated servers, unless the server operator has explicitly allowed it.

### Left 4 Dead Update

- Date: 2025-01-17
- Original notes: https://store.steampowered.com/news/app/500/view/747134865075340237
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-747134865075340237

An update has been released for Left 4 Dead.

- Fixed exploits used to crash remote servers.

### Left 4 Dead - Update

- Date: 2024-12-02
- Original notes: https://store.steampowered.com/news/app/500/view/4467103536898901137
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-4467103536898901137

An update has been released for Left 4 Dead.

- Fixed some exploits used to crash remote servers.

### Left 4 Dead - Update

- Date: 2024-10-25
- Original notes: https://store.steampowered.com/news/app/500/view/4512136358584648020
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-4512136358584648020

An update has been released for Left 4 Dead.

- Fixed several crash and remote code execution exploits.

### Left 4 Dead - Update

- Date: 2024-06-12
- Original notes: https://store.steampowered.com/news/app/500/view/6830352310285269094
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-6830352310285269094

An update has been released for Left 4 Dead game and authoring tools:

- Fixes for several crash and remote code execution exploits.

### Left 4 Dead - Update

- Date: 2024-05-01
- Original notes: https://store.steampowered.com/news/app/500/view/4187861330558967996
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-4187861330558967996

An update has been released for Left 4 Dead:

- Fixed an exploit that could force votes to pass without notifying other players.
- Added protections against malicious network packets.
- Integrated several exploit fixes from Left 4 Dead 2.

### Left 4 Dead - Update

- Date: 2024-01-19
- Original notes: https://store.steampowered.com/news/app/500/view/3989693438979346956
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-3989693438979346956

An update has been released for Left 4 Dead:

- Fixed several vulnerabilities and exploits, reported via HackerOne.
- Localization fixes, added Latin American Spanish.

### Left 4 Dead - Update

- Date: 2022-01-31
- Original notes: https://store.steampowered.com/news/app/500/view/4464757973143114316
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-4464757973143114316

An update has been released for Left 4 Dead.

- Fixed a potential remote code execution exploit through malformed file uploads. Reported via HackerOne.

### Left 4 Dead - Update

- Date: 2021-08-10
- Original notes: https://store.steampowered.com/news/app/500/view/2980806018137672176
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-2980806018137672176

An update has been released for Left 4 Dead

- Fixed Authoring Tools failing to write to disk

### Left 4 Dead - Update

- Date: 2021-08-09
- Original notes: https://store.steampowered.com/news/app/500/view/2980806018133465769
- Permalink: https://whatsnew.fyi/product/left-4-dead/releases/steam-2980806018133465769

An update has been released for Left 4 Dead

- Fixed several potential RCE exploits.