Im Change-Log sind einige Punkte aufgeführt, die ich allerdings nicht wirklich einordnen kann. Dafür ist das doch etwas zu technisch. Leider habe ich bisher keine verständlichere Beschreibung finden können.

Security

• Prevent private recipient lists from being shared when sending activities to other servers. [#2956]

Added

• Add a help section to interaction dialogs explaining the Fediverse and why entering a profile is needed. [#2993]
• Add a notice on the Settings page to easily switch from legacy template mode to automatic mode. [#2985]
• Add a pre-publish suggestion that recommends a post format for better compatibility with media-focused Fediverse platforms. [#2971]
• Add a Site Health check that warns when plugins are causing too many federation updates. [#2928]
• Add backwards compatibility for the ACTIVITYPUB_DISABLE_SIDELOADING constant and activitypub_sideloading_enabled filter from version 7.9.1. [#2973]
• Add bot account snippet that marks ActivityPub profiles as automated accounts, displaying a „BOT“ badge on Mastodon and other Fediverse platforms. [#2861]
• Add Cache namespace for remote media caching with CLI commands, improved MIME validation, and filter-based architecture. [#2887]
• Add federation of video poster images set in the WordPress video block. [#2982]
• Add Locale from Tags community snippet. [#2923]
• Add optional Like and Boost action buttons to the Fediverse Reactions block, allowing visitors to interact with posts from their own server. [#2988]
• Add pre-built Fediverse block patterns for easy profile, follow page, and sidebar setup. [#2891]
• Add snippet for blockless fediverse reactions [#2958]
• Add wp activitypub fetch CLI command for fetching remote URLs with signed HTTP requests. [#2906]

Changed

• Improved active user counting for NodeInfo to include all federated content types and comments. [#2943]
• Improve language map resolution to strictly follow the ActivityStreams spec. [#2979]
• Superseded outbox activities are now removed instead of kept, reducing clutter in the outbox. [#2932]
• The minimum required PHP version is now 7.4. [#2942]

Fixed

• Accept incoming activities from servers that use standalone key objects for HTTP Signatures. [#2935]
• Fix a crash on servers where WordPress uses FTP instead of direct file access for media caching. [#2974]
• Fix a crash when receiving posts from certain federated platforms that send multilingual content. [#2950]
• Fix automatic cleanup of old activities failing silently on sites with large numbers of outbox, inbox, or remote post items. [#2929]
• Fix comment count to properly exclude likes, shares, and notes. [#2913]
• Fix follow button redirect from Mastodon not being recognized. [#2922]
• Fix modal overlay not covering the full screen on block themes. [#3000]
• Fix outbox invalidation canceling pending Accept/Reject responses to QuoteRequests for the same post. [#2911]
• Fix QuoteRequest handler to derive responding actor from post author instead of inbox recipient. [#2924]
• Fix reactions block buttons inheriting theme background color on classic themes. [#2996]
• Fix reactions block layout on small screens and remove unwanted button highlight when clicking action buttons. [#2992]
• Fix signature verification rejecting valid requests that use lowercase algorithm names in the Digest header. [#2949]
• Fix soft-deleted posts being served instead of a tombstone when the post is re-saved. [#2991]
• Improve compatibility with federated services that use a URL reference for the actor’s public key. [#2947]
• Improve handling of all public audience identifiers when sending activities to followers and relays. [#2944]