There is no version for Minecraft 1.21.9

[SJAR04]

I need the version for Minecraft 1.21.9.

[Jsaunders411]

There is no version for 1.21.9 it was skipped because it was replaced by a hot fix 1.21.10. so mod dev decided to skip 1.21.9 and just do .10

[PepperCode1]

Yes, a release for Minecraft 1.21.9 will not be made.