A Mastodon update (v4.3.0) was released yesterday with many new features:

-Click on "ALT" to see image descriptions
-Notifications now grouped
-Servers tell you if defederation affects your follows
-"System" theme added, dark or light based on your computer or phone settings
-Attached images can be reordered before posting
-Poll options much clearer
-Post language & visibility settings clearer

...and lots more.

Non-techy info at https://blog.joinmastodon.org/2024/10/mastodon-4.3/

Techy info at https://github.com/mastodon/mastodon/releases/tag/v4.3.0