Final release seem to have one part missing?
That squashfs at the end.
binwalk '/tmp/openwrt-24.10.0-mediatek-mt7622-xiaomi_redmi-router-ax6s-squashfs-sysupgrade.itb'
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 Flattened device tree, size: 4096 bytes, version: 17
4096 0x1000 gzip compressed data, maximum compression, from Unix, last modified: 1970-01-01 00:00:00 (null date)
5660672 0x566000 Flattened device tree, size: 29461 bytes, version: 17
binwalk '/tmp/openwrt-24.10.0-rc7-mediatek-mt7622-xiaomi_redmi-router-ax6s-squashfs-sysupgrade.itb'
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 Flattened device tree, size: 4096 bytes, version: 17
4096 0x1000 gzip compressed data, maximum compression, from Unix, last modified: 1970-01-01 00:00:00 (null date)
5660672 0x566000 Flattened device tree, size: 29429 bytes, version: 17
5693440 0x56E000 Squashfs filesystem, little endian, version 4.0,** compression:xz, size: 4803552 bytes, 1389 inodes, blocksize: 262144 bytes, created: 2025-01-27 22:53:29