What's New:
• Fixed the appearance of checkboxes and radio buttons in the extension preferences page when color overrides is turned on in Firefox

What's New:
• Updated German localization
• Bug fix: Pinned tabs are unpinned after restoring browser session

What's New:
• Panic Button can now restore multiple browser windows that were hidden by the Hide and Replace action. Note that browser tabs loaded with special Firefox pages, such as the Firefox options page and Add-ons Manager, cannot be restored
• New action to minimize the current browser window
• The default keyboard shortcut is changed to F8 (previously F9) to avoid a conflict with toggling Reader Mode on Windows 10
• Improvements to Dark Mode icons

What's New:
• Improvements to Dark Mode colors in the extension preferences and restore session password pages

What's New:
• New option for the Minimize All Windows action to open a new browser window after all browser windows are minimized. If this option is turned on, you can restore the minimized browser windows by clicking the Panic Button again from the new window.
• The extension preferences page now uses the Dark Mode colors on macOS and Windows.

What's New:
• Added Indonesian localization

What's New:
• Added the ability to handle the Panic Button keyboard shortcut if it is set from the Manage Extension Shortcuts page in Add-ons Manager, found in Firefox 66 and newer
• Bug fix: Don't allow replacement web address (URL) to be blank
• Bug fix: In Firefox 65, can't set custom toolbar icon if image file is too big

What's New:
• Brought back the ability to change the keyboard shortcut for invoking the Panic Button action
• The ability to set a password when restoring the browser session (for the Hide and Replace action) has also returned. The restore session password can be set in Panic Button preferences

What's New
• Added Russian translation

What's New:

• Added translations for Chinese (traditional and simplified), Dutch, Filipino, French, Indonesian, Italian, Spanish, Turkish
• Bug fix: Reverse contrast toolbar icon doesn't appear on high-resolution displays

What's New:
• In the extension preferences page, the "http://" prefix to the replacement web page URL will now be added automatically if it is missing. Also, a message appears for the Hide and Replace action, making it clearer that is not compatible with Private Browsing mode
• The title of the extension preferences page is changed to make it less conspicuous

Panic Button 4 is a WebExtension that is compatible with Firefox 57 and newer. This release has most of the features from version 3, but with the following differences:

• The Hide All Windows action is not available
• The Close All Windows action doesn't actually quit the browser, unless there are no other open windows (e.g. bookmark manager)
• The option to set a password on the Hide and Replace action is not available
• The shortcut key for invoking the Panic Button action cannot be changed to a different key; the F9 key for the Panic Button action can only be enabled or disabled