wagtail/docs/releases/1.4.rst

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Wagtail 1.4 release notes - IN DEVELOPMENT
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What's new
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Custom document models
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The `Document` model can now be overridden using the new `WAGTAILDOCS_DOCUMENT_MODEL` setting. This works in the same way that `WAGTAILIMAGES_IMAGE_MODEL` works for `Image`.

Minor features
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Bug fixes
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 * Custom page managers no longer raise an error when used on an abstract model
 * Wagtail's migrations are now all reversible (benjaoming)
 * Deleting a page content type now preserves existing pages as basic Page instances, to prevent tree corruption
 * The ``Page.path`` field is now explicitly given the "C" collation on PostgreSQL to prevent tree ordering issues when using a database created with the Slovak locale
 * Wagtail's compiled static assets are now put into the correct directory on Windows (Aarni Koskela)
 * ``ChooserBlock`` now correctly handles models with primary keys other than ``id`` (alexpilot11)


Upgrade considerations
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