Wagtail

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* Django 1.10 support
* Added the ``include_block`` template tag for improved StreamField template inclusion (Matt Westcott, Mikalai Radchuk)
* Page slugs now allow unicode on Django >= 1.9 (Behzad Nategh)
* Explorer sidebar menu now limits the displayed pages to the ones the user has permission for (Robert Rollins, Matt Westcott)
* Image upload form in image chooser now performs client side validation so that the selected file is not lost in the submission (Jack Paine)
* oEmbed URL for audioBoom was updated (Janneke Janssen)
* Remember tree location in page chooser when switching between Internal / External / Email link (Matt Westcott)
* `FieldRowPanel` now creates equal-width columns automatically if `col*` classnames are not specified (Chris Rogers)
* Form builder now validates against multiple fields with the same name (Richard McMillan)
* The 'choices' field on the form builder no longer has a maximum length (Johannes Spielmann)
* Multiple ChooserBlocks inside a StreamField are now prefetched in bulk, for improved performance (Michael van Tellingen, Roel Bruggink, Matt Westcott)
* Add new EmailBlock and IntegerBlock (Oktay Altay)
* Added a new FloatBlock, DecimalBlock and a RegexBlock (Oktay Altay, Andy Babic)
* Wagtail version number is now shown on the settings menu (Chris Rogers)
* Added a system check to validate that fields listed in `search_fields` are defined on the model (Josh Schneier)
* Added formal APIs for customizing the display of StructBlock forms within the page editor (Matt Westcott)
* `wagtailforms.models.AbstractEmailForm` now supports multiple email recipients (Serafeim Papastefanos)
* Added ability to delete users through Settings -> Users (Vincent Audebert; thanks also to Ludolf Takens and Tobias Schmidt for alternative implementations)
* Page previews now pass additional HTTP headers, to simulate the page being viewed by the logged-in user and avoid clashes with middleware (Robert Rollins)
* Added back buttons to page delete and unpublish confirmation screens (Matt Westcott)
* Recognise Flickr embed URLs using HTTPS (Danielle Madeley)
* Success message when publishing a page now correctly respects custom URLs defined on the specific page class (Chris Darko)
* Required blocks inside StreamField are now indicated with asterisks (Stephen Rice)
* Fix: Email templates and document uploader now support custom `STATICFILES_STORAGE` (Jonny Scholes)
* Fix: Removed alignment options (deprecated in HTML and not rendered by Wagtail) from `TableBlock` context menu (Moritz Pfeiffer)
* Fix: Fixed incorrect CSS path on ModelAdmin's "choose a parent page" view
* Fix: Prevent empty redirect by over-normalization (Franklin Kingma, Ludolf Takens)
* Fix: "Remove link" button in rich text editor didn't trigger "edit" event, leading to the change to sometimes not be persisted (Matt Westcott)
* Fix: `RichText` values can now be correctly evaluated as booleans (Mike Dingjan, Bertrand Bordage)
* Fix: wagtailforms no longer assumes an .html extension when determining the landing page template filename (kakulukia)
* Fix: Fixed styling glitch on bi-colour icon + text buttons in Chrome (Janneke Janssen)
* Fix: StreamField can now be used in an InlinePanel (Gagaro)
* Fix: StreamField block renderings using templates no longer undergo double escaping when using Jinja2 (Aymeric Augustin)
* Fix: RichText objects no longer undergo double escaping when using Jinja2 (Aymeric Augustin, Matt Westcott)
* Fix: Saving a page by pressing enter key no longer triggers a "Changes may not be saved message" (Sean Muck, Matt Westcott)
* Fix: RoutablePageMixin no longer breaks in the presence of instance-only attributes such as those generated by FileFields (Fábio Macêdo Mendes)
* Fix: The `--schema-only` flag on update_index no longer expects an argument (Karl Hobley)
* Fix: Added file handling to support custom user add/edit forms with images/files (Eraldo Energy)
* Fix: Placeholder text in modeladmin search now uses the correct template variable (Adriaan Tijsseling)
* Fix: Fixed bad SQL syntax for updating URL paths on Microsoft SQL Server (Jesse Legg)
* Fix: Added workaround for Django 1.10 bug https://code.djangoproject.com/ticket/27037 causing forms with file upload fields to fail validation (Matt Westcott)

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* Fix: Pin html5lib to version 0.999999 to prevent breakage caused by internal API changes (Liam Brenner)

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* Fixed regression in 1.5.1 on editing external links (Stephen Rice)

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* Fix: When editing a document link in rich text, the document ID is no longer erroneously interpreted as a page ID (Stephen Rice)
* Fix: Removing embedded media from rich text by mouse click action now gets correctly registered as a change to the field (Loic Teixeira)
* Fix: Rich text editor is no longer broken in InlinePanels (Matt Westcott, Gagaro)
* Fix: Rich text editor is no longer broken in settings (Matt Westcott)
* Fix: Link tooltip now shows correct urls for newly inserted document links (Matt Westcott)
* Fix: Now page chooser (in a rich text editor) opens up at the link's parent page, rather than at the page itself (Matt Westcott)
* Fix: Reverted fix for explorer menu scrolling with page content, as it blocked access to menus that exceed screen height
* Fix: Image listing in the image chooser no longer becomes unpaginated after an invalid upload form submission (Stephen Rice)
* Fix: Applied correct translation tags for 'permanent' / 'temporary' labels on redirects (Matt Westcott)

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* Added wagtail.contrib.modeladmin, an app for configuring arbitrary Django models to be edited through the Wagtail admin (Andy Babic)
* Added TableBlock, a StreamField block for table-based content (Moritz Pfeiffer, David Seddon, Brad Busenius)
* The "dynamic serve view" for images has been greatly improved. See release notes for details
* Moved lesser-user actions in the page explorer into a 'More' dropdown
* Added a hook `register_page_listing_buttons` for adding action buttons to the page explorer
* Added the ability to edit existing links in the rich text editor (Loic Teixeira)
* Rich text fields now show link destinations as tooltips (Loic Teixeira)
* Password reset email now reminds the user of their username (Matt Westcott)
* Added 'revisions' action to pages list (Roel Bruggink)
* Added jinja2 support for the ``settings`` template tag (Tim Heap)
* Added a hook `insert_global_admin_js` for inserting custom JavaScript throughout the admin backend (Tom Dyson)
* Recognise instagram embed URLs with `www` prefix (Matt Westcott)
* The type of the ``search_fields`` attribute on ``Page`` models (and other searchable models) has changed from a tuple to a list (Tim Heap)
* Use `PasswordChangeForm` when user changes their password, requiring the user to enter their current password (Matthijs Melissen)
* Highlight current day in date picker (Jonas Lergell)
* Eliminated the deprecated `register.assignment_tag` on Django 1.9 (Josh Schneier)
* Increased size of Save button on site settings (Liam Brenner)
* Optimised Site.find_for_request to only perform one database query (Matthew Downey)
* Notification messages on creating / editing sites now include the site name if specified (Chris Rogers)
* Added `--schema-only` option to `update_index` management command
* Added meaningful default icons to `StreamField` blocks (Benjamin Bach)
* Added title text to action buttons in the page explorer (Liam Brenner)
* Changed project template to explicitly import development settings via `settings.dev` (Tomas Olander)
* Improved L10N and I18N for revisions list (Roel Bruggink)
* The multiple image uploader now displays details of server errors (Nigel Fletton)
* Added `WAGTAIL_APPEND_SLASH` setting to determine whether page URLs end in a trailing slash (Andrew Tork Baker)
* Added auto resizing text field, richtext field, and snippet chooser to styleguide (Liam Brenner)
* Support field widget media inside `StreamBlock` blocks (Karl Hobley)
* Spinner was added to Save button on site settings (Liam Brenner)
* Added success message after logout from Admin (Liam Brenner)
* Added `get_upload_to` method to `AbstractRendition` which, when overridden, allows control over where image renditions are stored (Rob Moggach and Matt Westcott)
* Added a mechanism to customize the add / edit user forms for custom user models (Nigel Fletton)
* Added internal provision for swapping in alternative rich text editors (Karl Hobley)
* Fix: The currently selected day is now highlighted only in the correct month in date pickers (Jonas Lergell)
* Fix: Fixed crash when an image without a source file was resized with the "dynamic serve view"
* Fix: Registered settings admin menu items now show active correctly (Matthew Downey)
* Fix: Direct usage of `Document` model replaced with `get_document_model` function in `wagtail.contrib.wagtailmedusa` and in `wagtail.contrib.wagtailapi`
* Fix: Failures on sending moderation notification emails now produce a warning, rather than crashing the admin page outright (Matt Fozard)
* Fix: All admin forms that could potentially include file upload fields now specify `multipart/form-data` where appropriate (Tim Heap)
* Fix: REM units in Wagtailuserbar caused incorrect spacing (Vincent Audebert)
* Fix: Explorer menu no longer scrolls with page content (Vincent Audebert)
* Fix: `decorate_urlpatterns` now uses `functools.update_wrapper` to keep view names and docstrings (Mario César)
* Fix: StreamField block controls are no longer hidden by the StreamField menu when prepending a new block (Vincent Audebert)
* Fix: Removed invalid use of `__` alias that prevented strings getting picked up for translation (Juha Yrjölä)
* Fix: Routable pages without a main view no longer raise a `TypeError` (Bojan Mihelac)
* Fix: Fixed UnicodeEncodeError in wagtailforms when downloading a CSV for a form containing non-ASCII field labels on Python 2 (Mikalai Radchuk)
* Fix: Server errors during search indexing on creating / updating / deleting a model are now logged, rather than causing the overall operation to fail (Karl Hobley)
* Fix: Objects are now correctly removed from search indexes on deletion (Karl Hobley)
* Fix: Confirmation message on the ModelAdmin delete view no longer errors if the model's string representation depends on the primary key (Yannick Chabbert)

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* Fix: Pin html5lib to version 0.999999 to prevent breakage caused by internal API changes (Liam Brenner)