Discourse 3.5 (ESR) LTS

End of life

3.5.4 Release notes ↗

Is Discourse 3.5 (ESR) still supported?

No

Discourse 3.5 (ESR) reached end of life on Jan 28, 2026 (8 months ago). It no longer gets updates, including security fixes. Upgrade to Discourse 2026.7 (ESR) (latest 2026.7.3), supported until Mar 30, 2027.

Released
Aug 19, 2025
End of life
Jan 28, 2026
8 months ago
Latest version
3.5.4
Jan 28, 2026

Upgrade path

The recommended upgrade is Discourse 2026.7 (ESR), currently at 2026.7.3 and supported until Mar 30, 2027.

Quick answers

Is Discourse 3.5 (ESR) still supported?
No. Discourse 3.5 (ESR) reached end of life on Jan 28, 2026 (8 months ago). It no longer gets updates, including security fixes. Upgrade to Discourse 2026.7 (ESR) (latest 2026.7.3), supported until Mar 30, 2027.
When is Discourse 3.5 (ESR) end of life?
Discourse 3.5 (ESR) reached end of life on Jan 28, 2026. It gets no more updates, including security fixes.
What is the latest version of Discourse 3.5 (ESR)?
The latest Discourse 3.5 (ESR) release is 3.5.4, released on Jan 28, 2026.
When was Discourse 3.5 (ESR) released?
Discourse 3.5 (ESR) was released on Aug 19, 2025.
What should I upgrade Discourse 3.5 (ESR) to?
The recommended upgrade is Discourse 2026.7 (ESR), currently at 2026.7.3 and supported until Mar 30, 2027.

Other Discourse branches

All 13 →

← Discourse 3.4 (ESR) Discourse 2025.11 →

Discourse 3.5 release history

RSS

Release dates for 5 Discourse 3.5 versions, newest first.

  1. 3.5.4
  2. 3.5.3
  3. 3.5.2
  4. 3.5.1
  5. 3.5.0

Keep track

Discourse 3.5 (ESR) latest version badge

Official release policy · Checked 2 hours ago