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Phoenix Framework 1.5 end of life (EOL) date and support status

Security fixes only No end-of-life date announced yet

Phoenix Framework 1.5 only receives security fixes; plan an upgrade to 1.8.

ProductPhoenix Framework
Version cycle1.5
StatusSecurity fixes only
Released2020-04-22
Active support until2021-08-26
End of life—
Latest version1.5.15 (2026-07-07)
Last verified2026-10-08

All Phoenix Framework versions → · Source: endoflife.date

Frequently asked questions

Is Phoenix Framework 1.5 end of life?

Not yet, but active support has ended: Phoenix Framework 1.5 only receives security fixes.

When does Phoenix Framework 1.5 reach end of life?

No end-of-life date has been announced for Phoenix Framework 1.5.

When was Phoenix Framework 1.5 released?

Phoenix Framework 1.5 was first released on 2020-04-22.

What is the latest Phoenix Framework 1.5 version?

The latest 1.5 release is 1.5.15, published on 2026-07-07.

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

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/phoenix-framework/1.5