+ Categories support
+ GUI: Remember sizes of panes ("bug" #12643)
+ Possibility to choose whether a feed should be checked upon 'Refresh all feeds'
+ Live Bookmarks support ("bug" #8872)
+ Middle or double click on article header opens new tab ("bug" #12763)
+ Mark all as read/unread ("bug" #8867 and duplicate #12759)
+ it-IT locale
+ sk-SK locale
+ de-DE locale
+ es-ES locale
* Fixed bug #13849
* Fixed bug #14037

version 0.5.2
+ Restrict to only one instance of NewsFox for profile
* Fixed bug #13488 (thanks to Florian)
version 0.5.1
+ hr-HR locale
* Fix to es-ES locale

+ Ability to rename a feed ("bug" #14145)
+ Trick to avoid loading feed from the cache
+ Auto-refresh ("bug" #14183)
+ Don't delete unread option (during auto-cleaning old articles)
+ Notification upon new post(s) ("bug" #14182)
+ Ability to re-order feeds (both from popup and holding Ctrl with arrows)
+ Deleting article(s)/feed using keyboard "Del" button ("bug" #13894)
+ Icon for NewsFox (ADR)
+ nl-NL locale (markh, BabelZilla.Org)
+ uk-UA locale (Sergey Khoruzhin, BabelZilla.Org)
+ pl-PL locale (teo, BabelZilla.Org)
* Fixed bug #14197 (duplicate 14535) - hardcoded 3 minutes timeout for downloading a feed
* Fixed bug #14697
* Fixed bug #8868 (and related #14768)
* Fixed bug #8870
* Fixed bug #14978
* Fixed bug #13512

* Compatibility with Firefox 2.0
* Fixed bug #15532

+ Favicons may now be disabled ("bug"  #16410)
+ Allow disabling of favicons ("bug" #16410)
+ Added function and option for guessing the feed homepage
* Changed method to update feed and article tree after refresh
* Favicon downloading method that is much improved
* Fixed bug #16224
* Fixed bug #15133 (and all its duplicates: 15507, 15630, 15671, 15711, 15785, 15933, 16120, 16202, 16239, 16286, 16310, 16372, and 16406)
* Make favicons 16x16 (bug #16269)

+ User named groups(tags, folders) (bug#14216, bug#14721)
+ Sort any column in article pane (bug#14998, bug#14131, bug#8981)
+ Context menu for article pane
+ Drag and drop editing of feeds and groups
+ Automatic backup of feeds in opml file
+ Restoring of opml file
+ 'Check feed' option in feed options dialog
+ Local css file for text view (textview.css in newsfox folder) (bug#12765)
+ Default for new feed: deleteOld and dontdeleteUnread
+ Better security
+ Opml handles groups
+ #unread in title (bug#16399)
+ Indication when loading feeds
+ fi-FI locale (mikkis, Babelzilla.org)
- pt-BR locale (will add when translator provides)
- uk-UA locale (will add when translator provides)
* Minor fixes
* option to bypass deletion confirmation
* display unique livemarks only
* file:// and shared google feeds work
* grippys work (K-Meleon and SeaMonkey)
* article tree 40%, content pane 60% height
* disallowed future pubDates
* feed name doesn't displace article pane buttons
* feeds loaded as needed (bug#14213)
* added refresh timeout option, default 60 seconds
* inapppropriate buttons disabled
* XUL feed list empty error (bug#16560)