Section 02
A version history with two hard breaks
1.0 to 5.x, and the migrations that hurt.
Three years of roadmap discussion, run in public, with release candidates anybody could test.
3 pieces in this section
- The release that made the project credibleJoomla 1.5 in 2008 rewrote enough of the platform to be treated as a serious CMS rather than a fork carrying its parent's code.
- Two upgrades broke compatibility and both cost usersThe 1.5 to 2.5 and the 3 to 4 transitions each required extension authors to rewrite, and each cost the project sites that never migrated.
- A modern platform, arriving after the market movedJoomla 4.0 in 2021 and 5.x since brought the codebase up to date, by which time the CMS share question had largely been settled elsewhere.
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