Update time! Some code cleanup, new feature and minor bug fixes. For now the Sleeping Groups are fairly basic. Ill expand on this in coming updates. Feedback always welcome. Easiest way is to open an issue on the gitlab.

Version 1.2.5 (August 16, 2025)

New Features

• Sleeping Tabs Groups
• New setting in Appearance, Use Groups. If enabled, tabs will be placed into a Sleeping group.
• Default group name and color can be set to customize the sleeping group.
• The setting uses the Group Name to find sleep/wake tabs. If the group name is changed, newly slept tabs will use the new group.

Bug Fixes

• Some minor UI changes.
• 'Float on Top' restyle.

Version 1.2.3

New Features

• Change Log Page
• Added a changelog page that shows on SleepyTabs updates.
• Can also access this in the footer next to the Help link, Release Notes.

Core Improvements

• SleepyTabs now re-discards sleeping tabs that were loaded but not yet awakened
• UUID now based on the tab's specifc URL.
• Moved theme settings and wake times into tabInfo config.

Bug Fixes

• Padding on tabs
• Float on Top in popup
• Popout width

Version 1.2.1

• Bug Fixes:
• Fix 'Wake Up' on Sleeping page from restoring correct url on wrong tab after browser restart.

Version 1.2.0

New Features

• Reader Mode Support
• Added dedicated Reader Mode settings
• Control whether Reader Mode tabs can be put to sleep or woken up
• Maximum Active Tabs
• Set a limit for how many recently used tabs should remain active
• Based on tab's last access time
• Setting to 0 disables this feature
• Example: Setting to 2 will keep your 2 most recently used tabs awake

Enhanced Tab Settings

• Split controls for different tab types into separate sleep/wake options:
• Pinned tabs
• Grouped tabs
• Private browsing tabs
• Reader Mode tabs

UI Improvements

• Updated styles and overall user interface
• More intuitive settings organization

Translation System

• Switched to TOML format for translations (en.toml, fr.toml)
• For Contributors:
• To add a new language, copy en.toml, rename to your locale code, and translate
• TOML files automatically generate JSON on build
• Added translation verification tools:
  To check for missing or unused translations:
• bun run build
• bun run i18n:scan
• Bug Fixes:
• "Wake All Tabs" now correctly respects the current window setting when enabled

Version 1.2.0

New Features

• Reader Mode Support
• Added dedicated Reader Mode settings
• Control whether Reader Mode tabs can be put to sleep or woken up
• Maximum Active Tabs
• Set a limit for how many recently used tabs should remain active
• Based on tab's last access time
• Setting to 0 disables this feature
• Example: Setting to 2 will keep your 2 most recently used tabs awake

Enhanced Tab Settings

• Split controls for different tab types into separate sleep/wake options:
• Pinned tabs
• Grouped tabs
• Private browsing tabs
• Reader Mode tabs

UI Improvements

• Updated styles and overall user interface
• More intuitive settings organization

Translation System

• Switched to TOML format for translations (en.toml, fr.toml)
• For Contributors:
• To add a new language, copy en.toml, rename to your locale code, and translate
• TOML files automatically generate JSON on build
• Added translation verification tools:
  To check for missing or unused translations:
• bun run build
• bun run i18n:scan
• Bug Fixes:
• "Wake All Tabs" now correctly respects the current window setting when enabled

v1.1.5
• Fix Wake All Tabs

v1.1.4
• Add User Settings title
• Improved tab tracking with unique identifiers
• Fixed issues with tab information persistence
• Enhanced reliability when restoring tabs after browser restarts or crashes
• Better handling of tab information across browser sessions

• Add User Settings title
• Improved tab tracking with unique identifiers
• Fixed issues with tab information persistence
• Enhanced reliability when restoring tabs after browser restarts or crashes
• Better handling of tab information across browser sessions

Removed some extension permissions.
Better tab history preservation.
Better URL handling on sleep/wake.
Optimize the Import Settings page.

Slept tabs will use their FavIcons instead of SleepyTabs icon
Title Prefix added to appearance section. Able to set custom emoji or text instead of default Sleeping: URL
Current prefix default is the ZZZ emoji.
Added SideBar. Default hotkey is Ctrl + Shift + 4, or use the button in the sidebar panel
Added context menu item, "Add to SleepyTabs Whitelist". Adds the exact URL to Whitelist

Add localization. Current - EN, FR
Add 'Sleep tabs in current window' // SleepAllTabs will sleep only in current window. Popup only.
Possible better memory savings when sleeping
Optimize some code

Fix for SleepAllTabs btn and whitelist

Import/Export/Reset User Settings Buttons
Added Nord theme
Added option for settings to sync to profile, off by default
Added support fom Chrome browsers
Hotkeys:
- Put tabs to sleep with Ctrl+Shift+1
- Sleep all tabs with Ctrl+Shift+2
- Wake all tabs with Ctrl+Shift+3
Change these in your browsers extension settings page

Basic support for waking specific types of tabs(newtab, etc)
Fix tab tracking when multiple windows are open and using popout mode

Update default whitelist
Update Readme
Slight design changes for popup
Fix issue with checkboxes
Add Advanced tab/Settings page to popup
New Advanced settings
Check Interval
Grace Period
Sleep ActiveTabs
Sleep AudibleTabs
Sleep PrivateTabs
Sleep LoadingTabs
Sleep AttentionTabs

Accessibility
Various bug fixes
Restyle popup to use tabs for General/Appearance
Some style style changes for sleeping page
Better popup light theme styles
Fix light/dark theme for popup based on system theme
Add gracePeriod, checkInterval to defaultConfig
Set default config settings on first load/install, rather than first 'use'