Blender Foundation Rule

Legacy add-ons are deprecated

Catalog row in Vendor License Rules · Cited

Kind: Lifecycle
Statement: Since Blender 4.2 the old way of creating add-ons is considered deprecated; legacy add-ons remain supported and maintainers are urged to convert them.
Applies when: Maintaining legacy add-ons
Applies to: Add-ons
Related metrics: Extension package

Evidence 1

Legacy add-ons are deprecated evidence

"With the introduction of Extensions in Blender 4.2, the old way of creating add-ons is considered deprecated."

Manual, Add-ons, Legacy vs Extension Add-onsAdd-ons - Blender 5.2 LTS ManualRetrieved 2026-10-08