Log Message:
Update to version 5.9.1

Changes for 5.9 are too big to list. You can view them here: \ 
https://wordpress.org/news/2022/01/josephine/

Changes in 5.9.1:

WordPress 5.9.1 features 33 bug fixes on Core, as well as 52 bug fixes for the \ 
Block Editor.
The WordPress 5.9.1 release was led by Jean-Baptiste Audras and George Mamadashvili.
The following core tickets from Trac were fixed:

    #54250  Twenty Twenty One: Editor Buttons margins incompatible with gap
    #54782  Default presets in use by default themes need to be updated
    #54844  Unnecessary database queries when a block theme isn’t in use
    #54849  Site transients cause DB errors when installing
    #54862  FSE Navigation Block Styling Submenu
    #54886  "Show hidden updates" button is invisible
    #54889  Cannot access "Manage menus" in Navigation block toolbar \ 
when running a classic theme
    #54896  TT2: Blank screen displayed for custom post type
    #54900  PHP warning in `WP_REST_Global_Styles_Controller` if no `styles` \ 
exist in theme.json
    #54902  Media Library Overlay Drag-and-Drop To Reorder Images Does Not Work \ 
In WP 5.9
    #54904  Bounce hoverIntent.js version in script-loader to 10.1.2
    #54906  Check _get_cron_array type in upgrade_590 routine
    #54908  Standard post type UI is exposed for templates and template parts
    #54911  Twenty Twenty-Two: Theme Check Plugin issue for the image size
    #54922  Normalizing CSS also catches CSS IDs instead of only URLs
    #54928  Twenty Twenty-Two: 404 search label should be translated
    #54929  Twenty Twenty-Two: Pricing Table pattern header levels should be \ 
consistent
    #54944  By applying a background color to a group block, it aligns to the \ 
left in the editor
    #54955  Custom fields issue
    #54960  Media Library Dragging Option Isn’t Reflected
    #54977  Dashboard welcome banner: fix bug when displayed in certain contexts
    #55018  Twenty Twenty-Two – Update theme URI link
    #55072  Widgets editor: Widget Group is missing \ 
.wp-widget-group__inner-blocks container
    #55103  Twenty Twenty-Two: Restore padding for Group blocks with a \ 
background color
    #55109  Plugins no longer download to tmp folder
    #55148  In block themes, styles should load in the head
    #55151  View scripts of blocks are loaded in editor
    #55161  Full Site Editing: PHP Warning with incomplete presets
    #55177  Normalizing relative CSS links should skip data URIs
    #55178  Allow fully extending WP_Theme_JSON and WP_Theme_JSON_Resolver classes
    #55179  Backport bugfixes from Gutenberg into Core for WP 5.9.1
    #55188  Block styles should load after global styles in the editor
    #55190  Global styles duotone not rendering in post editor

The following block editor issues from GitHub were fixed:

    PR38857  Fix for late static binding in the resolver
    PR38780  Block Editor: Add settings to enable/disable auto anchor generation
    PR38750  Load block support styles in the head for block themes
    PR38745  Fix global styles loading logic
    PR38695  Site Editor: Limit template part slugs to Latin chars
    PR38671  Allow extending the WP_Theme_JSON_Gutenberg class
    PR38656  Edit Site: Add template check to ‘setPage’ action
    PR38655  Add site editor initial redirect error handling
    PR38649  Fix search block html handling for label and button text
    PR38642  Gallery block: copy all attributes when transforming to Image blocks
    PR38625  Allow child classes to use the private methods and constants
    PR38561  Only apply the social links block migration if there’s a need for \ 
a migration
    PR38516  Block preview: fix resize listener
    PR38442  Duotone: Allow users to specify custom filters
    PR38432  Remove the aria-label from the site title block
    PR38399  Images: Try moving responsive rule to common.scss.
    PR38362  Cover block: Add back missing styles
    PR38310  Gallery block: fix bug with link destination default option not \ 
being set
    PR38189  Gallery: Ensure the last image takes up all available space
    PR38070  Post Editor: Fix template queries
    PR37983  Tree Grid: Fix keyboard navigation for expand/collapse table rows \ 
in Firefox
    PR37954  Fix duotone render in non-fse themes
    PR37941  Unset inherited backgrounds on Posts Lists
    PR37895  Site Editor: Fix broken ‘Redo’ by removing faulty logic for \ 
discarding unsaved Logo changes
    PR37885  Load the global styles before the theme styles in the editor
    PR37853  Block.json schema: update fontSize and lineHeight props
    PR37840  [History]: Fix redo after update/publish with transient edits
    PR37778  Update core/archive block schema to reflect no block-level settings \ 
support
    PR37774  Spacer: Fix unit settings filter
    PR37762  Schema: Fix appearanceTools in theme.json schema
    PR37650  Site Editor: Add keyboard shortcut help modal
    PR37647  Site Editor: Add the “Help” link to the tools menu
    PR37644  Fix: Coloring panel is unusable in RTL
    PR37569  Docs: Add automated theme.json reference documentation
    PR37493  Update: make color style labels simpler
    PR37486  Show UI warning if Pages cannot be retrieved in Page List block
    PR37474  Fix empty gray circle when site has no logo on template list page
    PR37430  Update: Allow color gradient popover to be above the color toggle
    PR37425  Border panel: Collapse color controls
    PR37248  Site editor – try redirecting to homepage before the react render
    PR37165  Remove versioning in theme schema descriptions
    PR37067  Update: PanelColorGradientSettings to use dropdowns
    PR37034  Block Editor: Handle the absence of href attrib in links
    PR36917  Update theme.json version
    PR36746  Update theme.json schema to allow for per-block management of settings
    PR36540  Post Featured Image: Move width and height controls into the \ 
Dimensions panel via SlotFill
    PR36411  Schemas: Allow custom blocks in theme.json styles
    PR36343  Add pattern to name key in block.json Schema
    PR36295  Schema: Allow block.json attribute type to be an array
    PR36236  Fix duotone theme cache
    PR36186  Spacer: add custom units for height and width
    PR30873  Focus save button when entities save states panel is opened