Is your feature request related to a problem? Please describe.

problem of mod to be updated

Describe the feature you'd like

implementation of 1.21 version

Describe alternatives you've considered

this is and will be ig (;

Additional context

asap please! thankyou

As stated in all the other issues regarding this, I will start working on the update in approx. 1 week after my final exams. Please be patient.