I have flashed nightly-20230723 with multiboot on the mmc and runned stable on rk3229 until now.
I am not sure if it had resized correctly the partitions... but works stable for now and i dont have space issues.
Filesystem Size Used Available Use% Mounted on
devtmpfs 427.9M 4.0K 427.9M 0% /dev
tmpfs 197.4M 9.3M 188.1M 5% /run
/dev/mmcblk1p1 511.7M 154.0M 357.8M 30% /flash
/dev/loop0 145.0M 145.0M 0 100% /
/dev/mmcblk1p2 6.3G 2.1G 4.2G 33% /storage
tmpfs 493.4M 0 493.4M 0% /dev/shm
tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup
tmpfs 493.4M 2.3M 491.1M 0% /var
tmpfs 493.4M 0 493.4M 0% /tmp
When i have checked the number from the emmc on the net it showed that its a samsung 16gb + 1gb emmc