Following good network stability with 250 parachain validators (as set in [Referendum 188](https://kusama.subsquare.io/referenda/referendum/188)), this further increases the number of validators participating in parachain validation from 250 to 300.

- Problem Statement: Increase the number of validators participating in parachain validation from 250 to 300.
- Audience: Polkadot network participants.
- Significance: Enhances network stability and security by increasing the number of validators.
- Proposed Solution: Increase the number of validators participating in parachain validation.
- Expected Outcomes: Improved network stability and security.

#219 [Whitelisted Caller] Referendum #219: Increase Parachain Validators to 300