We'd like to extend a big thank you to the 2 contributors who made this release possible.
The following team members contributed to this release:
@arminmeh, @cherniavskii
Data Grid
@mui/x-data-grid@8.28.1
@mui/x-data-grid-pro@8.28.1 
Same changes as in @mui/x-data-grid@8.28.1, plus:
- [DataGridPro]
fetchRows()API's defaultstartandendparams based on scroll position with lazy loading (#21811) @arminmeh
@mui/x-data-grid-premium@8.28.1 
Same changes as in @mui/x-data-grid-pro@8.28.1.
Core
- [internal] Remove headless data grid packages (#21848) @cherniavskii