Added

• Themes and customizing CSS
• Configurable auto-snapshots and limits for them
• Options to highlight open bookmarks and activate their tabs on click
• Export / Import addon data
• Option to not scroll through tabs if the panel is overflowed
• Context menu editor: separators
• Option to show count of panel's items
• Show placeholder page for urls that Sidebery cannot open
• Option to hide empty panels
• Possibility to change panels order
• Option to activate parent tab on R/L-click on the panel of tabs
• Option to auto discard folded tabs with delay
• Support of native context menu
• Ctrl/Shift-key selection
• Fence container icon

Changed

• Settings on the separate page
• Default theme updates
• Snapshots viewer
• Debug page
• New group page with grid/list layouts
• New favicons cache
• Logo :3

Optimized

• Rendering tabs
• Working with a big amount of tabs
• Bookmarks operations

Fixed

• Restoring tabs tree for multiple windows
• Drag and Drop between windows
• Prevent infinite loop of reopening a tab for conflicting include rules
• Proxy and include/exclude rules are now working without sidebar open
• Apply exclude rule only on not included urls