Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
- added support for CompactHeader v2.1.0
Note: Contains workaround to overcome issue in latest CompactHeader version
- added compatibility for latest Thunderbird versions (up to 45.0)
- added compatibility for Thunderbird 20.* and higher
- added support for CompactHeader