v1.6.3

• Temporarily remove extension availability for Firefox.
• Improved filtering logic to address #5.

v1.6.2

• Fix 48x48 icon.
• Make it compatible with Firefox.
• Invalid/existing username warning.
• Removed JS deprecations.

v1.6.1

• Fix new activity filtering (fix #2)

v1.6.0

• Improved design.

v1.5.2

• Improved and worsened performance.
• Subjectively cleaner design.

v1.5.1

• No more jQuery.