update changelog for vue3/threecolumn/popovers changes

CHANGELOG.md

@@ -16,17 +16,26 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Attachments are ALWAYS in same order as user uploaded, no more "videos first"
 - Attachment description is prefilled with backend-provided default when uploading
 - Proper visual feedback that next image is loading when browsing
+- UI no longer lags when switching between mobile and desktop mode
+- Popovers no longer constrained by DOM hierarchy, shouldn't be cut off by anything
+- "Always show mobile button" is working now
 
 ### Changed
+- Using Vue 3 now
 - (You)s are optional (opt-in) now, bolding your nickname is also optional (opt-out)
 - User highlight background now also covers the `@`
 - Reverted back to textual `@`, svg version is opt-in.
-- Settings window has been throughly rearranged to make make more sense and make navication settings easier.
+- Settings window has been thoroughly rearranged to make more sense and make navigation settings easier.
 - Uploaded attachments are uniform with displayed attachments
 - Flash is watchable in media-modal (takes up nearly full screen though due to sizing issues)
 - Notifications about likes/repeats/emoji reacts are now minimized so they always take up same amount of space irrelevant to size of post.
+- Slight width/spacing adjustments
+- More sizing stuff is font-size dependent now
+- Scrollbars are styled/colorized now
+- Scrollbars are toggleable (for stuff that didn't have visible scrollbars before) (opt-in)
 
 ### Added
+- 3 column mode: only enables when there's space for it (opt-out, customizable)
 - Options to show domains in mentions
 - Option to show user avatars in mention links (opt-in)
 - Option to disable the tooltip for mentions
@@ -37,6 +46,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Media modal now also displays description and counter position in gallery (i.e. 1/5)
 - Ability to rearrange order of attachments when uploading
 - Enabled users to zoom and pan images in media viewer with mouse and touch
+- Timelines/panels and conversations have sticky headers now
 
 
 ## [2.4.2] - 2022-01-09