The following timeline outlines how long different versions of SilverStripe CMS will remain supported, based on our Release Process.
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For major releases that are in "Active development" or "Full support", minor versions are released approximately every three months, and their End-of-Life (EOL) is announced at least six months in advance. The latest minor release is supported as long as its underlying major release.
Bug and security fixes are managed differently depending on whether the underlying major release is in “Full support” or “Limited support”. For more information, read our Release Process.
SilverStripe 3.2 onward, follows Semantic Versioning, which makes minor release upgrades (e.g. from 4.1 to 4.2) as painless as possible.
SilverStripe 3.2 and onward, we support major versions for longer periods of time, with regular minor version releases that are supported for shorter periods.