Yippee!!! Productivity of feeds tree has been increased to 100 times 

On startup with 280 feeds и 15 folders, expand whole tree has elapsed ~ 7000 ms, after fixing ~ 70 ms.

Adding/deleting/moving feeds runs invisible to user (if option "Store DB in memory" enabled)

Main Changes:

• Added: Disk cache and pages cache for embedded browser
• Added: Ability sorted feeds by name ("Feeds->Sort by Name")
• Added: Option: "Simplified representation of date and time"
• Added: Options: "Don't delete starred news", "Don't delete labeled news"
• Added: Option: "Automatically collapse folders"
• Added: Option: "Run QuiteRSS at Windows startup" (Windows)
• Added: Tab context menu items: "Close tab" and "Close Other tabs"
• Added: Ability to move main toolbar (toolbar context menu->Lock toolbar)
• Added: "Link" and "Title Feed" columns in news list
• Added: Click to Flash
• Added: CSS for news (folder "style")
• Added: User style for browser
• Added: Alt+left click - opens news/link in external browser (Windows)
• Added: Simplified news find field
• Added: More buttons available for toolbar
• Added: More shortcuts
• Added: Language: Greek
• Added: Language: Chinese (Taiwan)
• Added: Language: Portuguese (Brazil)
• Changed: GUI. Visual tweaks
• Changed: Increase performance updating feeds
• Changed: Ability assign shortcuts for "Share"
• Changed: Delete folders containing feeds
• Changed: Ability to edit application styles(folder "style")
• Fixed: Mark all news read in categories
• Fixed: Focus while opening link in external browser
• Fixed: Minimize to tray on tray-click (Linux)
• Fixed: Recounting feeds count after group operations
• Fixed: Moving tab content while moving tabs
• Fixed: Deleting default buttons from toolbar
• Fixed: Application startup in Archlinux (KDE)
• Fixed: Show on top in full screen mode
• Fixed: Loop while adding/updating feed
• Fixed: Updating some feeds
• Fixed: News duplicates
• Fixed: Find next/previous feed

Download: here

QuiteRSS: A Simple RSS Desktop Reader For Ubuntu/Kubuntu from Yusuf Felly on Vimeo.