SteamOS end-of-life dates and support status
As of 2026-10-08, the supported SteamOS versions are 3.
| Version | Status | Released | Active support until | End of life | Latest |
|---|---|---|---|---|---|
| 3 holo | Supported | 2022-03-01 | — | — | — |
| 2 brewmaster | End of life | 2015-11-01 | — | 2019-06-30 | — |
| 1 alchemist | End of life | 2013-12-01 | — | 2015-11-02 | — |
Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date. Verified 2026-10-08.
Frequently asked questions
Which SteamOS versions are still supported?
As of 2026-10-08, the supported SteamOS versions are 3. Versions not listed are end of life and no longer receive security fixes.
What is the latest SteamOS version?
The newest SteamOS release cycle is 3.
Give your AI agent these facts
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claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp
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Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests
For agents
GET https://vigia.coredls.cloud/v1/eol/steamos GET https://vigia.coredls.cloud/v1/eol/steamos/3