What's Changed
* panels/serial_panel: fix baudrate selection in serial panel by bugobliterator in https://github.com/dronecan/gui_tool/pull/43
* added ublox serial handling by tridge in https://github.com/dronecan/gui_tool/pull/45
* widgets/node_properties: increase timeout to 5s for param erase opcode by bugobliterator in https://github.com/dronecan/gui_tool/pull/44
**Full Changelog**: https://github.com/dronecan/gui_tool/compare/1.2.20...1.2.21