Version guide
From LimeSurvey Manual
Guide on how to upgrade and when from different LS versions.
Semantic versioning
2.06 and 2.6
TODO
TODO: Add pic of admin interface
2.73
TODO
TODO: Add pic of admin interface
3.x
TODO
TODO: Add pic of admin interface
Templates and workarounds
All three major versions use different template engines and templates will not be compatible between them.
Templates are called "themes" in 3.x.
Long-term support, LTS
3.x will be the only LTS version.