Changed "<all_urls>" and "downloads" to optional permissions
Fixed an issue with empty patterns and duplicate removal
Updated Locale Maker to v1.9

Added <all_urls> as a workaround for Firefox bug 1841483 (1838753/1653408) (#216, #291)
Added ready-made custom pattern feature
Dropped 'browser_style' in preparation for manifest v3
Increased minimum version to Firefox 93 (released 2021-10-05)
Removed the default keyboard shortcut due to conflict with Firefox keyboard shortcut (#499)
Updated code in preparation for manifest v3
Updated keyboard shortcut process (requires resetting by the users)
Updated Locale Maker to v1.8
Updated module structure

Added Custom Find & Replace
Added Preferences Import/Export
Added Dark Theme
Fixed icon on notifications
Converted chrome.* to browser.* API in preparation for Manifest v3
Updated Locale Maker to v1.4

Fixed keyboard shortcut getting text from iframe
Updated Paste function
Removed "Custom Keyboard Shortcut" setting since Firefox (66+) also provides the feature
Removed second keyboard shortcut
Added paste keyboard shortcut option
Added Toolbar icon to access Options page
Added Locale Maker

Minimum version increased to Firefox 63 (released 2018-10-23)
OOP Code Improvement

Fixed the error notice as a result of execCommand('paste') returning false if not part of a user interaction

Style/Code Improvement

Added Paste Plain Text (works for textarea, input and most contenteditable)
Added Option to remove line indent on copy & paste
Added Keyboard option to remove line indent on copy & paste (FF54+)
New Copy API (FF63+)
Moved the Options to new tab due to narrower FF64+ Options page
Fixed truncation by Firefox on text longer than 16,384 characters (still truncates on AMO)
Added Windows specific newline characters

New Custom Keyboard Shortcut (FF60+)

New method to retain basic format of text in textarea, input
New Copy code which should work on all sites

OPP seems to be disabled on Windows FF56.0.2, so disabled the new Copy function completely

New Copy code only works on FF56+ on Windows (due to OOP), so disabled it on Linux/macOS

New Copy code only works on FF56+. Updated the code for FF53-55

ContextMenu (not keyboard command) on FF56+ or less than 150 character text selection: Copy now works on all pages, including the ones that were blocked by Firefox (FF56.+)
Added Chinese Translations
Code Improvement

Added 2 Keyboard Shortcut F7 and in case F7 is used by another process, Ctrl+Shift+F7 (FF53.+)
Style Improvement

Pure CSS Navigation
Style/Code Improvement