Going from stable to weekly without formatting data?

[HerrJohnssen]

Can I switch from xiaomi.eu stable to weekly withcout needing to format data?
Will just wiping dalvic and cache work?

I have xiaomi.eu 12.2.2.0 RJKCNXM on my K30 Pro if that is important

 

[cescvicious]

Some people have tested to dirty flash weekly over stable and seems to work, but i guess a data wipe is highly recommended

Update: i just tested going from 12.5.4 Stable to 21.7.28 weekly in my Mi Note 10 (tucana) without deleting anything, it flashed ok but didn't work, got bootlooped and i had to Format Data anyways, so i say it depends on how the ROM is build or what TWRP are you using or even what phone you have.

But you can always make a backup of all your apps and settings with Xiaomi Cloud, and restore it after flashing weekly ROM