Status of Introduce i3c device userspace interface for Linux?

Hi,

Can you send any info what is the status about them?
https://lwn.net/Articles/812785/
https://github.com/vitor-soares-snps/i3c-tools

Is it available in the mainline Linux? Is the newest v6.12 can provide any i3c-dev as i2c-dev module can do it in the past?
https://www.kernel.org/doc/Documentation/i2c/dev-interface
