wagtail/docs/releases/5.1.md

Wagtail 5.1 release notes

August 1, 2023

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What's new

Read-only panels

FieldPanels can now be marked as read-only with the read_only=True keyword argument, so that they are displayed in the admin but cannot be edited. This feature was developed by Andy Babic.

Wagtail tutorial improvements

As part of Google Season of Docs 2023, we worked with technical writer Damilola Oladele to make improvements to Wagtail’s "Getting started" tutorial. Here are the specific changes made as part of this project:

• Revamp the start of the getting started section, with a separate quick install page
• Move the tutorial’s snippets section to come before tags
• Rewrite the getting started tutorial to address identified friction points
• Switch the Getting started tutorial’s snippets example to be more understandable

Thank you to Damilola for his work, and to Google for sponsoring this project.

Custom template support for wagtail start

The wagtail start command now supports an optional --template argument that allows you to specify a custom project template to use. This is useful if you want to use a custom template that includes additional features or customizations. For more details, see the project template reference. This feature was developed by Thibaud Colas.

Search query boosting on Elasticsearch 6 and above

The boost option on SearchField, to increase the ranking of search results that match on the specified field, is now respected by Elasticsearch 6 and above. This was previously only supported up to Elasticsearch 5, due to a change in Elasticsearch's API. This feature was developed by Shohan Dutta Roy.

Elasticsearch 8 support

This release adds support for Elasticsearch 8. This can be set up by installing a version 8.x release of the elasticsearch Python package, and setting wagtail.search.backends.elasticsearch8 as the search backend. Compatibility updates were contributed by Matt Westcott and Wesley van Lee.

Extend Stimulus adoption

As part of tackling Wagtail’s technical debt and improving CSP compatibility, we have continued extending our usage of Stimulus, based on the plans laid out in RFC 78: Adopt Stimulus.

• Add support for attrs on FieldPanel and other panels to aid in custom Stimulus usage (Aman Pandey, Antoni Martyniuk, LB (Ben) Johnston)
• Migrate Tagit initialization to a Stimulus Controller (LB (Ben) Johnston)
• Migrate legacy dropdown implementation to a Stimulus controller (Thibaud Colas)
• Migrate async header search and search with the Task chooser modal to w-swap, a Stimulus controller (LB (Ben) Johnston)
• Replace Bootstrap tooltips with a new w-tooltip Stimulus controller (LB (Ben) Johnston)
• Migrate dialog instantiation to a new w-dialog Stimulus controller (Loveth Omokaro, LB (Ben) Johnston)
• Support dialog template cloning using a new w-teleport Stimulus controller (Loveth Omokaro, LB (Ben) Johnston)

AVIF image support

Wagtail now supports AVIF, a modern image format. We encourage all site implementers to consider using it to improve the performance of the sites and reduce their carbon footprint. For further details, see image file format, output image format and image quality.

This feature was developed by Aman Pandey as part of the Google Summer of Code program and a partnership with the Green Web Foundation and Green Coding Berlin, with support from Dan Braghis, Thibaud Colas, Sage Abdullah, Arne Tarara (Green Coding Berlin), and Chris Adams (Green Web Foundation).

Permissions consolidation

This release includes several changes to permissions, to make them easier to use and maintain, as well as to improve performance.

• Add initial implementation of PagePermissionPolicy (Sage Abdullah)
• Refactor UserPagePermissionsProxy and PagePermissionTester to use PagePermissionPolicy (Sage Abdullah, Tidiane Dia)
• Optimise queries in collection permission policies using cache on the user object (Sage Abdullah)
• Prevent 'choose' permission from being ignored when looking up 'choose', 'edit' and 'delete' permissions in combination (Sage Abdullah)
• Take user's permissions into account for image / document counts on the admin dashboard (Sage Abdullah)
• Deprecate UserPagePermissionsProxy (Sage Abdullah)
• Refactor GroupPagePermission to use Django's Permission model (Sage Abdullah)

Snippet enhancements

We have made several improvements to snippets as part of RFC 85: Snippets parity with ModelAdmin, ahead of the deprecation of ModelAdmin contrib app.

• Add the ability to export snippets listing via SnippetViewSet.list_export (Sage Abdullah)
• Add Inspect view to snippets (Sage Abdullah)
• Reorganise snippets documentation to cover customizations and optional features (Sage Abdullah)
• Add docs for migrating from ModelAdmin to Snippets (Sage Abdullah)
• Purge revisions of non-page models in purge_revisions command (Sage Abdullah)

Other features

• Mark calls to md5 as not being used for secure purposes, to avoid flagging on FIPS-mode systems (Sean Kelly)
• Return filters from parse_query_string as a QueryDict to support multiple values (Aman Pandey)
• Explicitly specify MenuItem.name for all admin menu and submenu items (Justin Koestinger)
• Add oEmbed provider patterns for YouTube Shorts (e.g. https://www.youtube.com/shorts/nX84KctJtG0) and YouTube Live URLs (valnuro, Fabien Le Frapper)
• Add a predictable default ordering of the "Object/Other permissions" in the Group Editing view, allow this ordering to be customized (Daniel Kirkham)
• Implement a new design for chooser buttons with better accessibility (Thibaud Colas)
• Add AbstractImage.get_renditions() for efficient generation of multiple renditions (Andy Babic)
• Phone numbers entered via a link chooser will now have any spaces stripped out, ensuring a valid href="tel:..." attribute (Sahil Jangra)
• Auto-select the StreamField block when only one block type is declared (Sébastien Corbin)
• Add support for more advanced Draftail customization APIs (Thibaud Colas)
• Add support for adding HTML attrs on FieldPanel, FieldRowPanel, MultiFieldPanel, and others (Aman Pandey, Antoni Martyniuk, LB (Ben) Johnston)
• Change to always cache renditions (Jake Howard)
• Update link/document rich text tooltips for consistency with the inline toolbar (Albina Starykova)
• Increase the contrast between the rich text / StreamField block picker and the page in dark mode (Albina Starykova)
• Change the default WebP quality to 80 to match AVIF (Aman Pandey)
• Adopt optimized Wagtail logo in the admin interface (Albina Starykova)
• Add support for presenting the userbar (Wagtail button) in dark mode (Albina Starykova)

Bug fixes

• Prevent choosers from failing when initial value is an unrecognized ID such as when moving a page from a location where parent_page_types would disallow it (Dan Braghis)
• Move comment notifications toggle to the comments side panel (Sage Abdullah)
• Remove comment button on InlinePanel fields (Sage Abdullah)
• Fix missing link to UsageView from EditView for snippets (Christer Jensen)
• Prevent lowercase conversions of IndexView column headers (Virag Jain)
• Ensure that RichText objects with the same values compare as equal (NikilTn)
• Use gettext_lazy on generic model views so that language settings are correctly used (Matt Westcott)
• Prevent JS error when reverting the spinner on a submit button after a validation error (LB (Ben) Johnston)
• Prevent crash when comparing page revisions that include MultipleChooserPanel (Matt Westcott)
• Ensure that title and slug continue syncing after entering non-URL-safe characters (LB (Ben) Johnston)
• Ensure that title and slug are synced on keypress, not just on blur (LB (Ben) Johnston)
• Add a more visible active state for side panel toggle buttons (Thibaud Colas)
• Debounce and optimize live preview panel to prevent excessive requests (Sage Abdullah)
• Page listings actions under the "More" dropdown are now accessible for screen reader and keyboard users (Thibaud Colas)
• Bulk actions under the "More" dropdown are now accessible for screen reader and keyboard users (Thibaud Colas)
• Navigation to translations via the locale dropdown is now accessible for screen reader and keyboard users (Thibaud Colas)
• Make it possible for speech recognition users to reveal chooser buttons (Thibaud Colas)
• Use constant-time comparison for image serve URL signatures (Jake Howard)
• Ensure taggit field type-ahead options show correctly in the dark mode theme (Sage Abdullah)
• Fix the lock description message missing the model_name variable when locked only by system (Sébastien Corbin)
• Fix empty blocks created in migration operations (Sandil Ranasinghe)
• Ensure that gettext_lazy works correctly when using verbose_name on a generic Settings models (Sébastien Corbin)
• Remove unnecessary usage of innerHTML when modifying DOM content (LB (Ben) Johnston)
• Avoid ValueError when extending PagesAPIViewSet and setting meta_fields to an empty list (Henry Harutyunyan, Alex Morega)
• Improve accessibility for header search, remove autofocus on page load, advise screen readers that content has changed when results update (LB (Ben) Johnston)
• Fix incorrect override of PagePermissionHelper.user_can_unpublish_obj() in ModelAdmin (Sébastien Corbin)
• Prevent memory exhaustion when updating a large number of image renditions (Jake Howard)
• Add missing Time Zone conversions and date formatting throughout the admin (Stefan Hammer)
• Ensure that audit logs and revisions consistently use UTC and add migration for existing entries (Stefan Hammer)
• Make sure "critical" buttons have enough color contrast in dark mode (Albina Starykova)
• Improve visibility of scheduled publishing errors in status side panel (Sage Abdullah)
• Avoid N+1 queries in users index view (Tidiane Dia)
• Use a theme-agnostic color token for read-only panels support in dark mode (Thibaud Colas)
• Ensure collapsible StreamBlocks expand as necessary to show validation errors (Storm Heg)
• Ensure userbar dialog can sit above other website content (LB (Ben) Johnston)
• Fix preview panel loading issues (Sage Abdullah)
• Fix search_promotions 0004_copy_queries migration for long-lived Wagtail instances (Sage Abdullah)
• Guard against TypeError in 0088_fix_log_entry_json_timestamps migration (Sage Abdullah)
• Add migration to replace JSON null values with empty objects in log entries' data (Sage Abdullah)
• Fix typo in the page_header_buttons template tag when accessing the context's request object (Robert Rollins)

Documentation

• Document how to add non-ModelAdmin views to a ModelAdminGroup (Onno Timmerman)
• Document how to add StructBlock data to a StreamField (Ramon Wenger)
• Update ReadTheDocs settings to v2 to resolve urllib3 issue in linkcheck extension (Thibaud Colas)
• Update documentation for log_action parameter on RevisionMixin.save_revision (Christer Jensen)
• Update color customization guidance to include theme-agnostic options (Thibaud Colas)
• Mark LTS releases in release note page titles (Thiago C. S. Tioma)
• Revise main Getting started tutorial for clarity (Kevin Chung (kev-odin))
• Update the deployment documentation page and remove outdated information (Jake Howard)
• Add more items to performance page regarding pre-fetching images and frontend caching (Jake Howard)
• Add docs for managing stored queries in searchpromotions (Scott Foster)

Maintenance

• Removed support for Python 3.7 (Dan Braghis)
• Switch to ruff for flake8 / isort code checking (Oliver Parker)
• Deprecate insert_editor_css in favour of insert_global_admin_css (Ester Beltrami)
• Optimise use of specific on Task and TaskState (Matt Westcott)
• Use table UI component for workflow task index view (Matt Westcott)
• Make header search available on generic index view (Matt Westcott)
• Update pagination behaviour to reject out-of-range / invalid page numbers (Matt Westcott)
• Remove color tokens which are duplicates / unused (Thibaud Colas)
• Add tests to help with maintenance of theme color tokens (Thibaud Colas)
• Split out a base listing view from generic index view (Matt Westcott)
• Update type hints in admin/ui/components.py so that parent_context is mutable (Andreas Nüßlein)
• Optimise the Settings context processor to avoid redundantly finding a Site to improve cache ratios (Jake Howard)
• Convert page listing to a class-based view (Matt Westcott)
• Clean up page reports and type usage views to be independent of page listing views (Matt Westcott)
• Refactor "More" dropdowns, locale selector, "Switch locales", page actions, to use the same dropdown component (Thibaud Colas)
• Convert the CONTRIBUTORS file to Markdown (Dan Braghis)
• Move django-filter version upper bound to v23 (Yuekui)
• Update Pillow dependency to allow 10.x, only include support for >= 9.1.0 (Yuekui)
• Replace ModelAdmin history header human readable date template tag (LB (Ben) Johnston)
• Update uuid to v9 and Jest to v29, with jest-environment-jsdom and new snapshot format (LB (Ben) Johnston)
• Update test cases producing undesirable console output due to missing mocks, uncaught errors, warnings (LB (Ben) Johnston)
• Remove unused snippets _header_with_history.html template (Thibaud Colas)
• Migrate away from using the "wagtailadmin/shared/field_as_li.html" template include (Storm Heg)
• Upgrade documentation theme sphinx_wagtail_theme to v6.1.1 which includes multiple styling fixes and always visible code copy buttons (LB (Ben) Johnston)
• Don't update the reference index while deleting it (Andy Chosak)

Upgrade considerations - changes affecting all projects

Search within chooser interfaces requires AutocompleteField for full functionality

In Wagtail 4.2, the search bar within snippet chooser interfaces (and custom choosers created via ChooserViewSet) returned results for partial word matches - for example, a search for "wagt" would return results containing "Wagtail" - if this was supported by the search backend in use, and at least one AutocompleteField was present in the model's search_fields definition. Otherwise, it would fall back to only matching on complete words. In Wagtail 5.0, this fallback behavior was removed, and consequently a model with no AutocompleteFields in place would return no results.

As of Wagtail 5.1.2, the fallback behavior has been restored. Nevertheless, it is strongly recommended that you add AutocompleteField to your models' search_fields definitions, to ensure that users can receive search results continuously as they type. For example:

from wagtail.search import index
# ... other imports

@register_snippet
class MySnippet(index.Indexed, models.Model):
     search_fields = [
         index.SearchField("name"),
         index.AutocompleteField("name"),
     ]

GroupPagePermission now uses Django's Permission model

The GroupPagePermission model that is responsible for assigning page permissions to groups now uses Django's Permission model instead of a custom string. This means that the permission_type CharField has been deprecated and replaced with a permission ForeignKey to the Permission model.

In addition to this, "edit" permissions now use the term change within the code. As a result, GroupPagePermissions that were previously recorded with permission_type="edit" are now recorded with a Permission object that has the codename="change_page" and a content_type that points to the Page model. Any permission checks that are done using PagePermissionPolicy should also use change instead of edit.

If you have any fixtures for the GroupPagePermission model, you will need to update them to use the new Permission model. For example, if you have a fixture that looks like this:

{
  "pk": 11,
  "model": "wagtailcore.grouppagepermission",
  "fields": {
    "group": ["Event moderators"],
    "page": 12,
    "permission_type": "edit"
  }
}

Update it to use a natural key for the permission field instead of the permission_type field:

{
  "pk": 11,
  "model": "wagtailcore.grouppagepermission",
  "fields": {
    "group": ["Event moderators"],
    "page": 12,
    "permission": ["change_page", "wagtailcore", "page"]
  }
}

If you have any code that creates GroupPagePermission objects, you will need to update it to use the Permission model instead of the permission_type string. For example, if you have code that looks like this:

from wagtail.models import GroupPagePermission

permission = GroupPagePermission(group=group, page=page, permission_type="edit")
permission.save()

Update it to use the Permission model instead:

from django.contrib.auth.models import Permission
from wagtail.models import GroupPagePermission

permission = GroupPagePermission(
    group=group,
    page=page,
    permission=Permission.objects.get(content_type__app_label="wagtailcore", codename="change_page"),
)
permission.save()

During the deprecation period, the permission_type field will still be available on the GroupPagePermission model and is used to automatically populate empty permission field as part of a system check. The permission_type field will be removed in Wagtail 6.0.

The default ordering of Group Editing Permissions models has changed

The ordering for "Object permissions" and "Other permissions" now follows a predictable order equivalent to Django's default Model ordering. This will be different to the previous indeterminate ordering.

The default ordering is now ["content_type__app_label", "content_type__model"]. See for details on how to customize this order.

JSON-timestamps stored in ModelLogEntry and PageLogEntry are now ISO-formatted and UTC

Previously, timestamps stored in the "data"-JSONField of ModelLogEntry and PageLogEntry have used the custom python format %d %b %Y %H:%M. Additionally, the "go_live_at" timestamp had been stored with the configured local timezone, instead of UTC.

This has now been fixed, all timestamps are now stored as UTC, and because the "data"-JSONField now uses Django's DjangoJSONEncoder, those datetime objects are now automatically converted to the ISO format. This release contains a new migration 0088_fix_log_entry_json_timestamps which converts all existing timestamps used by Wagtail to the new format.

If you've developed your own subclasses of ModelLogEntry, PageLogEntry or BaseLogEntry, or used those existing models to create custom log entries, and you've stored timestamps similarly to Wagtail's old implementation (using strftime("%d %b %Y %H:%M")). You may want to adapt the storage of those timestamps to a consistent format too.

There are probably three places in your code, which have to be changed:

1. Creation: Instead of using strftime("%d %b %Y %H:%M"), you can now store the datetime directly in the "data" field. We've implemented a new helper wagtail.utils.timestamps.ensure_utc(), which ensures the correct timezone (UTC).
2. Display: To display the timestamp in the user's timezone and format with a LogFormatter, we've created utils to parse (wagtail.utils.timestamps.parse_datetime_localized()) and render (wagtail.utils.timestamps.render_timestamp()) those timestamps. Look at the existing formatters here.
3. Migration: You can use the code of the above migration (source) as a guideline to migrate your existing timestamps in the database.

Image Renditions are now cached by default

Wagtail will try to use the cache called "renditions". If no such cache exists, it will fall back to using the default cache. You can configure the "renditions" cache to use a different cache backend or to provide additional configuration parameters.

Upgrade considerations - deprecation of old functionality

Removed support for Python 3.7

Python 3.7 is no longer supported as of this release; please upgrade to Python 3.8 or above before upgrading Wagtail.

Pillow dependency update

Wagtail no longer supports Pillow versions below 9.1.0.

Elasticsearch 5 and 6 backends are deprecated

The Elasticsearch 5 and 6 search backends are deprecated and will be removed in a future release; please upgrade to Elasticsearch 7 or above.

insert_editor_css hook is deprecated

The insert_editor_css hook has been deprecated. The insert_global_admin_css hook has the same functionality, and all uses of insert_editor_css should be changed to insert_global_admin_css.

wagtail.contrib.modeladmin is deprecated

As part of the RFC 85: Snippets parity with ModelAdmin implementation, the wagtail.contrib.modeladmin app is deprecated. To manage non-page models in Wagtail, use wagtail.snippets instead.

If you still rely on ModelAdmin, use the separate wagtail-modeladmin package. The wagtail.contrib.modeladmin module will be removed in a future release.

UserPagePermissionsProxy is deprecated

The undocumented wagtail.models.UserPagePermissionsProxy class is deprecated.

If you use the .for_page(page) method of the class to get a PagePermissionTester instance, you can replace it with page.permissions_for_user(user).

If you use the other methods, they can be replaced via the wagtail.permission_policies.pages.PagePermissionPolicy class. The following is a list of the PagePermissionPolicy equivalent of each method:

from wagtail.models import UserPagePermissionsProxy
from wagtail.permission_policies.pages import PagePermissionPolicy

# proxy = UserPagePermissionsProxy(user)
permission_policy = PagePermissionPolicy()

# proxy.revisions_for_moderation()
permission_policy.revisions_for_moderation(user)

# proxy.explorable_pages()
permission_policy.explorable_instances(user)

# proxy.editable_pages()
permission_policy.instances_user_has_permission_for(user, "change")

# proxy.can_edit_pages()
permission_policy.instances_user_has_permission_for(user, "change").exists()

# proxy.publishable_pages()
permission_policy.instances_user_has_permission_for(user, "publish")

# proxy.can_publish_pages()
permission_policy.instances_user_has_permission_for(user, "publish").exists()

# proxy.can_remove_locks()
permission_policy.user_has_permission(user, "unlock")

The UserPagePermissionsProxy object that is available in page's ActionMenuItem context as user_page_permissions (which might be used as part of a register_page_action_menu_item hook) has been deprecated. In cases where the page object is available (e.g. the page edit view), the PagePermissionTester object stored as the user_page_permissions_tester context variable can still be used.

The UserPagePermissionsProxy object that is available in the template context as user_page_permissions as a side-effect of the page_permissions template tag has also been deprecated.

If you use the user_page_permissions context variable or use the UserPagePermissionsProxy class directly, make sure to replace it either with the PagePermissionTester or the PagePermissionPolicy equivalent.

get_pages_with_direct_explore_permission, get_explorable_root_page, and users_with_page_permission are deprecated

The undocumented get_pages_with_direct_explore_permission and get_explorable_root_page functions in wagtail.admin.navigation are deprecated. They can be replaced with PagePermissionPolicy().instances_with_direct_explore_permission(user) and PagePermissionPolicy().explorable_root_instance(user), respectively.

The undocumented users_with_page_permission function in wagtail.admin.auth is also deprecated. It can be replaced with PagePermissionPolicy().users_with_permission_for_instance(action, page, include_superusers).

Shared include wagtailadmin/shared/last_updated.html is no longer available

The undocumented shared include wagtailadmin/shared/last_updated.html is no longer available as it used the legacy Bootstrap tooltips and was not accessible. If you need to achieve a similar output, an element that shows a simple date with a tooltip for the full date, use the human_readable_date template tag instead.

Before

{% include "wagtailadmin/shared/last_updated.html" with last_updated=my_model.timestamp %}

After

{% load wagtailadmin_tags %}

<!-- ... -->
{% human_readable_date my_model.timestamp %}

Shared include field_as_li.html will be removed

The documented include "wagtailadmin/shared/field_as_li.html" will be removed in a future release, if being used it will need to be replaced with "wagtailadmin/shared/field.html" wrapped within li tags.

Before

{% include "wagtailadmin/shared/field_as_li.html" %}

After

<li>
    {% include "wagtailadmin/shared/field.html" %}
</li>

Upgrade considerations - changes affecting Wagtail customizations

Tag (Tagit) field usage now relies on data attributes

The AdminTagWidget widget has now been migrated to a Stimulus controller, if using this widget in Python, no changes are needed to adopt the new approach.

If the widget is being instantiated in JavaScript or HTML with the global util window.initTagField, this undocumented util should be replaced with the new data-* attributes approach. Additionally, any direct usage of the jQuery widget in JavaScript (e.g. $('#my-element).tagit()) should be removed.

The global util will be removed in a future release. It is recommended that the documented AdminTagWidget be used. However, if you need to use the JavaScript approach you can do this with the following example.

Old syntax

<input id="id_tags" type="text" value="popular, technology" hidden />
<script>
    window.initTagField('id_tags', 'path/to/url', { autocompleteOnly: true });
</script>

New syntax

<input
    id="id_tags"
    type="text"
    value="popular, technology"
    hidden
    data-controller="w-tag"
    data-w-tag-options-value='{"autocompleteOnly": true}'
    data-w-tag-url-value="/path/to/url"
/>

Note: The data-w-tag-options-value is a JSON object serialized into string. Django's HTML escaping will handle it automatically when you use the AdminTagWidget, but if you are manually writing the attributes, be sure to use quotation marks correctly.

Header searching now relies on data attributes

Previously the header search relied on inline scripts and a window.headerSearch global to activate the behaviour. This has now changed to a data attributes approach and the window global usage will be removed in a future major release.

If you are using the documented Wagtail viewsets, Snippets or ModelAdmin approaches to building custom admin views, there should be no change required.

If you are using the shared header template include for a custom search integration, here's how to adopt the new approach.

Header include before

{% extends "wagtailadmin/base.html" %}
{% load wagtailadmin_tags %}
{% block extra_js %}
    {{ block.super }}
    <script>
        window.headerSearch = {
            url: "{% url 'myapp:search_results' %}",
            termInput: '#id_q',
            targetOutput: '#my-results',
        };
    </script>
{% endblock %}
{% block content %}
    {% include "wagtailadmin/shared/header.html" with title="my title" search_url="myapp:index" %}
    ... other content
{% endblock %}

Header include after

Note: No need for extra_js usage at all.

{% extends "wagtailadmin/base.html" %}
{% load wagtailadmin_tags %}
{% block content %}
    {% url 'myapp:search_results' as search_results_url %}
    {% include "wagtailadmin/shared/header.html" with title="my title" search_url="myapp:index" search_results_url=search_results_url search_target="#my-results" %}
    ... other content
{% endblock %}

Alternatively, if you have customizations that manually declare or override window.headerSearch, here's how to adopt the new approach.

Manual usage before

<script>
    window.headerSearch = {
        url: '{{ my_async_results_url }}',
        termInput: '#id_q',
        targetOutput: '#some-results',
    };
</script>
<form role="search">
    <input type="text" name="q" id="id_q" />
</form>
<div id="some-results"></div>

Manual usage after

<form
    role="search"
    data-controller="w-swap"
    data-action="change->w-swap#searchLazy input->w-swap#searchLazy"
    data-w-swap-src-value="{{ my_async_results_url }}"
    data-w-swap-target-value="#some-results"
>
    <input type="text" name="q" id="id_q" data-w-swap-target="input" />
</form>
<div id="some-results"></div>

Tooltips now rely on new data attributes

The undocumented Bootstrap jQuery tooltip widget is no longer in use, you will need to update any HTML that is using these attributes to the new syntax.

<!-- Old attributes: -->
<span data-wagtail-tooltip="Tooltip content here">Label</span>
<!-- New attributes: -->
<span data-controller="w-tooltip" data-w-tooltip-content-value="Tooltip content here">Label</span>

Dialog hide/show custom events name change

The undocumented client-side Custom Event handling for dialog showing & hiding will change in a future release.

Action	Old event	New event
Show	wagtail:show	w-dialog:show
Hide	wagtail:hide	w-dialog:hide

Additionally, two new events will be dispatched when the dialog visibility changes.

Action	Event name
Show	w-dialog:shown
Hide	w-dialog:hidden

Shared template .../tables/attrs.html has been renamed to .../shared/attrs.html

The undocumented shared template for rendering a dict of attrs to HTML, similar to Django form widgets, has been renamed.

	Template location	Usage with include
Old	wagtail/admin/templates/wagtailadmin/tables/attrs.html	{% include "wagtailadmin/tables/attrs.html" with attrs=link_attrs %}
New	wagtail/admin/templates/wagtailadmin/shared/attrs.html	{% include "wagtailadmin/shared/attrs.html" with attrs=link_attrs %}