Unsupported — date not published
Atlassian Confluence 1.4 end-of-life and support dates
Atlassian Confluence 1.4 is end of life; the vendor has not published the date.
Scope: software releaseListed under Atlassian ConfluenceAs of 2026-11-10
Lifecycle timeline
- 2005-05-23 — Release date · General availability
- No date published — No longer maintained · End of standard support
Is Atlassian Confluence 1.4 still supported?
No. The vendor declares support ended but has not published the date.
What should I upgrade to?
The cited source lists these releases as still supported:
- 11.0 — support ends 2028-10-08
- 10.2 (LTS) — support ends 2027-12-02
- 10.1 — support ends 2027-10-07
- 10.0 — support ends 2027-08-05
Confirm Atlassian's upgrade path for your edition and contract before planning change work.
Why this status?
“No longer maintained” (end-of-standard-support, no date, confirmed): the vendor declares support ended/changed without publishing a date.
Evidence
- Atlassian support end-of-life policy Official · checked 2026-11-10
- endoflife.date product data independent-open · checked 2026-11-10
Related
- All Atlassian Confluence lifecycle dates· 91 tracked releases
- Atlassian Confluence security advisories· 96 tracked
- CVE-2026-90436: Atlassian Remote Code Execution in Confluence Data Center
- CVE-2026-58062: Atlassian Cryptographic Failure org.bouncycastle:bcprov-lts8on Dependency in Confluence Data Center
- CVE-2026-65182: Atlassian Improper Authorization org.apache.tomcat:tomcat-catalina Dependency in Confluence Data Center
- CVE-2026-65637: Atlassian MITM (Man-in-the-Middle) org.apache.tomcat:tomcat-coyote Dependency in Confluence Data Center
- CVE-2026-75595: Atlassian BASM (Broken Authentication & Session Management) io.netty:netty-handler Dependency in Confluence Data Center
- CVE email alerts for Atlassian
Status is calculated from the published milestones. When a vendor does not publish a date, this page says so and does not estimate one.