Whitelisted by: https://collectives.subsquare.io/fellowship/referenda/308.

This call increases the current validator set size from 500 to 600, this a followup of https://polkadot.subsquare.io/referenda/1200, that increased the validator set size from 400 to 500.

Following this change the maximum number of usable cores supported by polkadot will increase from 100(500 / 5) to 120 (600 / 5) where 5 is the dimension of a parachain backing group.

## Testing

Kusama has been running with 600 parachain consensus validators since this referenda https://kusama.subsquare.io/referenda/484, on 2025-01-22.



calls

- **Problem Statement:** Increasing the validator set size from 500 to 600 in Polkadot to enhance network capacity.
- **Significance:** Boosting the maximum number of usable cores supported by Polkadot from 100 to 120, improving network efficiency.
- **Proposed Solution:** Increase the validator set size from 500 to 600 in Polkadot.
- **Expected Outcomes:** Enhanced network capacity and efficiency with a maximum of 120 usable cores supported.

#1484 [Whitelisted Caller] Increase validator set size to 600