1.9.0

What's Changed

• Updated release details by @Spitfireap in #250
• Bump testfixtures from 7.1.0 to 7.2.2 by @dependabot in #255
• Fixed the email's body loading failure by @QThans in #257
• Update mysqlclient requirement from <2.2.1 to <2.2.2 by @dependabot in #258
• Added button to select/unselect all messages by @tonioo in #259

New Contributors

• @QThans made their first contribution in #257

Full Changelog: 1.8.0...1.9.0