[Pre-release] v0.3.0-6

This is the first release candidate for Thunder v0.3.0! This version includes a few minor fixes. If no major issues are found, this will be the version released on the App Store and Google Play.

Be fully prepared to know that these pre-release versions may contain major bugs which could cause Thunder to crash or behave unexpectedly.

Fixes

• Fix user/community instance colour not being applied properly* by hjiangsu
• Fix local notification issue* by micahmo