v2.3

- (fix) handling encodings (thanks to @f100024 & @fserb)
- (fix) parsing xml feeds with illegal characters (thanks to @stepelu for the report)
- (fix) old articles reappearing as unread (thanks to @adaszko for the report)
- (fix) item list scrolling issue on large screens (thanks to @bielej for the report)
- (fix) keyboard shortcuts color in dark mode (thanks to @John09f9 for the report)
- (etc) autofocus when adding a new feed (thanks to @lakuapik)