blender-agents-version-migrator

Use when migrating, porting, or upgrading Blender Python scripts and addons across major versions (3.x to 4.x to 5.x). Provides a systematic migration process covering API renames, removed functions, changed parameters, extension system migration, BGL to GPU module conversion, and bone collection migration. Prevents incomplete migrations that compile but fail at runtime. Keywords: migration, porting, upgrade, version, 3.x to 4.x, 4.x to 5.x, API rename, bgl to gpu, extension migration, bl_info to manifest, bone collection, script stopped working after update, upgrade addon to new Blender.