Wagtail

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* Fix: Reduced `Rendition.focal_point_key` field length to prevent migration failure when upgrading to Wagtail 1.8 on MySQL with `utf8` character encoding (Andy Chosak, Matt Westcott)

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* New page privacy options (Shawn Makinson, Tom Miller, Luca Perico, Matt Westcott)
* New 'bulk delete' permission type for deleting pages with children (Matt Westcott)
* Elasticsearch 5 support (Karl Hobley)
* Added support of a custom `edit_handler` in site settings (Axel Haustant)
* Added `get_landing_page_template` getter method to `AbstractForm` (Gagaro)
* Added `Page.get_admin_display_title` method to override how the title is displayed in the admin (Henk-Jan van Hasselaar)
* Added support for specifying custom HTML attributes for table rows on ModelAdmin index pages (Andy Babic)
* Added `first_common_ancestor` method to `PageQuerySet` (Tim Heap)
* Page chooser now opens at the deepest ancestor page that covers all the pages of the required page type (Tim Heap)
* `PageChooserBlock` now accepts a `target_model` option to specify the required page type (Tim Heap)
* Modeladmin forms now respect `fields` / `exclude` options passed on custom model forms (Thejaswi Puthraya)
* Added new StreamField block type `StaticBlock` (Benoît Vogel)
* Added new StreamField block type `BlockQuoteBlock` (Scot Hacker)
* Updated Cloudflare cache module to use the v4 API (Albert O'Connor)
* Added `exclude_from_explorer` attribute to the `ModelAdmin` class to allow hiding instances of a page type from Wagtail's explorer views (Andy Babic)
* Added `above_login`, `below_login`, `fields` and `login_form` customization blocks to the login page template (Tim Heap)
* `ChoiceBlock` now accepts a callable as the choices list (Mikalai Radchuk)
* Redundant action buttons are now omitted from the root page in the explorer (Nick Smith)
* Locked pages are now disabled from editing at the browser level (Edd Baldry)
* Added `in_site` method for filtering page querysets to pages within the specified site (Chris Rogers)
* Added the ability to override the default index settings for Elasticsearch (PyMan Claudio Marinozzi)
* Extra options for the Elasticsearch constructor should be now defined with the new key `OPTIONS` of the `WAGTAILSEARCH_BACKENDS` setting (PyMan Claudio Marinozzi)
* Breadcrumb in the page explorer is now restricted to the pages the user has permission over (Jeffrey Chau, Robert Rollins, Matt Westcott)
* Fix: `AbstractForm` now respects custom `get_template` methods on the page model (Gagaro)
* Fix: Use specific page model for the parent page in the explore index (Gagaro)
* Fix: Remove responsive styles in embed when there is no ratio available (Gagaro)
* Fix: Parent page link in page search modal no longer disappears on hover (Dan Braghis)
* Fix: ModelAdmin views now consistently call `get_context_data` (Andy Babic)
* Fix: Header for search results on the redirects index page now shows the correct count when the listing is paginated (Nick Smith)
* Fix: `set_url_paths` management command is now compatible with Django 1.10 (Benjamin Bach)
* Fix: Form builder email notifications now output multiple values correctly (Sævar Öfjörð Magnússon)
* Fix: Closing 'more' dropdown on explorer no longer jumps to the top of the page (Ducky)
* Fix: Users with only publish permission are no longer given implicit permission to delete pages (Matt Westcott)
* Fix: `search_garbage_collect` management command now works when wagtailsearchpromotions is not installed (Morgan Aubert)
* Fix: `wagtail.contrib.settings` context processor no longer fails when `request.site` is unavailable (Diederik van der Boor)
* Fix: `TableBlock` content is now indexed for search (Morgan Aubert)
* Fix: `Page.copy()` is now marked as `alters_data`, to prevent template code from triggering it (Diederik van der Boor)

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* Elasticsearch 2 support (Karl Hobley)
* Added parameters to image tag to specify file type and JPEG compression level (Karl Hobley)
* Added support for AWS CloudFront in frontend cache invalidation module (Rob Moorman)
* Unpublishing a page now gives the option to unpublish subpages too (Jordi Joan)
* The ``|embed`` filter has been converted into a templatetag ``{% embed %}`` (Janneke Janssen)
* The `wagtailforms` module now provides a `FormSubmissionPanel` for displaying details of form submissions (João Luiz Lorencetti)
* The Wagtail version number can now be obtained as a tuple using `from wagtail import VERSION` (Tim Heap)
* `send_mail` logic has been moved from `AbstractEmailForm.process_form_submission` into `AbstractEmailForm.send_mail`. Now it's easier to override this logic (Tim Leguijt)
* Added `before_create_page`, `before_edit_page`, `before_delete_page` hooks (Karl Hobley)
* Updated font sizes and colors to improve legibility of admin menu and buttons (Stein Strindhaug)
* Added pagination to "choose destination" view when moving pages (Nick Smith, Žan Anderle)
* Added ability to annotate search results with score (Karl Hobley)
* Added ability to limit access to form submissions (Mikalai Radchuk)
* Added the ability to configure the number of days search logs are kept for (Stephen Rice)
* `SnippetChooserBlock` now supports passing the model name as a string (Nick Smith)
* Redesigned account settings / logout area in the sidebar for better clarity (Janneke Janssen)
* Pillow's image optimization is now applied when saving JPEG images (Karl Hobley)
* Fix: Migrations for wagtailcore and project template are now reversible (Benjamin Bach)
* Fix: Migrations no longer depend on wagtailcore and taggit's `__latest__` migration, logically preventing those apps from receiving new migrations (Matt Westcott)
* Fix: The default image format label text ('Full width', 'Left-aligned', 'Right-aligned') is now localized (Mikalai Radchuk)
* Fix: Text on the front-end 'password required' form is now marked for translation (Janneke Janssen)
* Fix: Text on the page view restriction form is now marked for translation (Luiz Boaretto)
* Fix: Fixed toggle behavior of userbar on mobile (Robert Rollins)
* Fix: Image rendition / document file deletion now happens on a post_delete signal, so that files are not lost if the deletion does not proceed (Janneke Janssen)
* Fix: "Your recent edits" list on dashboard no longer leaves out pages that another user has subsequently edited (Michael Cordover, Kees Hink, João Luiz Lorencetti)
* Fix: `InlinePanel` now accepts a `classname` parameter as per the documentation (emg36, Matt Westcott)
* Fix: Disabled use of escape key to revert content of rich text fields, which could cause accidental data loss (Matt Westcott)
* Fix: Setting `USE_THOUSAND_SEPARATOR = True` no longer breaks the rendering of numbers in JS code for InlinePanel (Mattias Loverot, Matt Westcott)
* Fix: Images / documents pagination now preserves GET parameters (Bojan Mihelac)
* Fix: Wagtail's UserProfile model now sets a related_name of ``wagtail_userprofile`` to avoid naming collisions with other user profile models (Matt Westcott)
* Fix: Non-text content is now preserved when adding or editing a link within rich text (Matt Westcott)
* Fix: Fixed preview when `SECURE_SSL_REDIRECT = True` (Aymeric Augustin)
* Fix: Prevent hang when truncating an image filename without an extension (Ricky Robinett)

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* Fix: Restore compatibility with django-debug-toolbar 1.5 (Matt Westcott)
* Fix: Edits to StreamFields are no longer ignored in page edits on Django >=1.10.1 when a default value exists (Matt Westcott)

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* Fix: Initial values of checkboxes on group permission edit form now are visible on Django 1.10 (Matt Westcott)

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* Added ``WAGTAIL_ALLOW_UNICODE_SLUGS`` setting to make Unicode support optional in page slugs (Matt Westcott)
* Fix: Wagtail's middleware classes are now compatible with Django 1.10's new-style middleware (Karl Hobley)
* Fix: The `Pages.can_create_at` method is now checked in the create page view (Mikalai Radchuk)
* Fix: Fixed regression on Django 1.10.1 causing Page subclasses to fail to use PageManager (Matt Westcott)
* Fix: ChoiceBlocks with lazy translations as option labels no longer break Elasticsearch indexing (Matt Westcott)
* Fix: The page editor no longer fails to load JavaScript files with ``ManifestStaticFilesStorage`` (Matt Westcott)
* Fix: Django 1.10 enables client-side validation for all forms by default, but it fails to handle all the nuances of how forms are used in Wagtail. The client-side validation has been disabled for the Wagtail UI (Matt Westcott)