Merge upstream django-cms/django-filer v3.4.4 into PBS fork#156

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andreilupuleasa with Copilot wants to merge 6 commits into

copilot/upgrade-django-filer-upstream

Commits on Apr 30, 2026

Phase 1-2: Foundation, build system, and non-conflicting upstream additions

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Phase 3+5: Merge core models (filemodels, foldermodels, mixins, imagemodels, clipboardmodels, virtualitems) and settings

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Phase 4+6+7: Merge admin, fields, and utilities with PBS customizations preserved

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Phase 8: Generate migration 0008 for upstream schema changes (ThumbnailOption, FolderPermission, mime_type, etc.)

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Phase 9-10: Adopt upstream templates/static/locale, fix import issues, restore needed PBS utils

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Remove accidentally committed test.zip

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