Silverstripe CMS EOS & EOL timeline

Check Silverstripe CMS end-of-support (EOS), end-of-life (EOL), release and extended-support dates. Compare versions and plan your next upgrade.

Software17 release timelinesData updated: Oct 26, 2026, 9:59 AM UTC

6.2
Supported
1. ReleasedApr 17, 2026
2. End of support (EOS)Oct 31, 2026
3. End of life (EOL)Apr 30, 2027
Extended support
Not announced
6.1
End of life
1. ReleasedOct 13, 2025
2. End of support (EOS)Apr 17, 2026
3. End of life (EOL)Oct 18, 2026
Extended support
Not announced
6.0
End of life
1. ReleasedJun 10, 2025
2. End of support (EOS)Oct 13, 2025
3. End of life (EOL)Apr 14, 2026
Extended support
Not announced
5.4
Maintenance only
1. ReleasedApr 10, 2025
2. End of support (EOS)Apr 11, 2026
3. End of life (EOL)Apr 30, 2027
Extended support
Not announced
5.3
End of life
1. ReleasedNov 4, 2024
2. End of support (EOS)Apr 10, 2025
3. End of life (EOL)Oct 11, 2025
Extended support
Not announced
5.2
End of life
1. ReleasedApr 15, 2024
2. End of support (EOS)Nov 4, 2024
3. End of life (EOL)May 5, 2025
Extended support
Not announced
5.1
End of life
1. ReleasedOct 17, 2023
2. End of support (EOS)Apr 17, 2024
3. End of life (EOL)Oct 17, 2024
Extended support
Not announced
5.0
End of life
1. ReleasedMay 8, 2023
2. End of support (EOS)Oct 17, 2023
3. End of life (EOL)Apr 17, 2024
Extended support
Not announced
4.13
End of life
1. ReleasedApr 26, 2023
2. End of support (EOS)Apr 27, 2024
3. End of life (EOL)Jun 10, 2025
Extended support
Not announced
4.12
End of life
1. ReleasedDec 19, 2022
2. End of support (EOS)Apr 26, 2023
3. End of life (EOL)Oct 26, 2023
Extended support
Not announced
4.11
End of life
1. ReleasedJun 28, 2022
2. End of support (EOS)Dec 19, 2022
3. End of life (EOL)May 19, 2023
Extended support
Not announced
4.10
End of life
1. ReleasedJan 27, 2022
2. End of support (EOS)Jun 30, 2022
3. End of life (EOL)Dec 31, 2022
Extended support
Not announced
3.7
End of life
1. ReleasedJun 8, 2018
2. End of life (EOL)Sep 30, 2021
End of support (EOS)
Not announced
Extended support
Not announced
3.1
End of life
1. ReleasedOct 1, 2013
2. End of life (EOL)Dec 31, 2016
End of support (EOS)
Not announced
Extended support
Not announced
3.0
End of life
1. ReleasedJun 28, 2012
2. End of life (EOL)Oct 12, 2015
End of support (EOS)
Not announced
Extended support
Not announced
2.4
End of life
1. ReleasedFeb 2, 2011
2. End of life (EOL)Mar 31, 2015
End of support (EOS)
Not announced
Extended support
Not announced
2.3
End of life
1. ReleasedFeb 23, 2009
End of support (EOS)
Not announced
End of life (EOL)
Not announced
Extended support
Not announced

Support milestones: end of support = Active Development; end of life = Security Support. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.