@Dannythree
I’ve never had any issues with weather or traffic reports using Luna (32-bit).
Maybe it’s down to LineageOS.
As for languages ​​and voices: I’ve made my voices and languages ​​available here........perhaps you could do the same?
TTS works best with VocalizerEx2 combined with SmartVoice, or the patched Vocalizer 3.8.2.