Polar v0.2.1

Full list of changes since v0.2.0 v0.2.0...v0.2.1

This is just a small release to bring back light mode for those who prefer it over dark mode.

Features

• ui: add light/dark mode toggle (#280)

Bug Fixes

• ui: lighten node background in dark mode (2a5fde4)

Docs

• fix spelling and add Polar version field to bug template (#279) by @bolatovumar