You should install a Sony Xperia XA1 custom rom if:
You should stay on Stock if:
Yes. The most popular and stable options currently are: sony xperia xa1 custom rom better
Sony’s stock camera app uses proprietary algorithms for the IMX300 sensor. You should install a Sony Xperia XA1 custom rom if:
You cannot ask if a custom ROM is better without mentioning what you lose. For the Xperia XA1 specifically, the trade-offs are significant: You should stay on Stock if: Yes