This proposal aims to upgrade Polkadot’s runtime to version [0.9.18](https://github.com/paritytech/polkadot/releases/tag/v0.9.18): 

Release notes, runtime changes and proposal hash can be found [HERE](https://github.com/paritytech/polkadot/releases/tag/v0.9.18). This release includes, among others, PR 4772 (login two parachains to swap slots), PR 10947 (bringing back maxnominators as a meatada constant), PR 4851 (adding proxy types for Kappa Sigma Mu) and PR 10690 (upgradable contracts using set_code function).

- Call hash for Polkadot upgrade: `0xa9ad07f0ea8e95c15247ba05a2754405acbf4de6cea8fe0cfdb94196c6093670`

Feel free to use srtool yourself to check the proposal hash. If passed by the Council, this proposal should be voted by the community and enacted after. Make sure to vote at your convenience!

- Problem Statement: The Polkadot network requires an upgrade to its runtime version 0.9.18, targeting the Polkadot community and developers.
- Significance: This upgrade is crucial to incorporate new features like parachain slot swapping, reintroduction of maxnominators, addition of proxy types for Kappa Sigma Mu, and upgradable contracts using set_code function.
- Proposed Solution: The solution is to pass the proposal for the upgrade through the Polkadot Council and then have it voted on by the community. The call hash for the upgrade is `0xa9ad07f0ea8e95c15247ba05a2754405acbf4de6cea8fe0cfdb94196c6093670`.
- Expected Outcomes: The successful implementation of the upgrade will enhance the network's functionality and performance, providing value to the Polkadot community and developers.

#178 Runtime Upgrade v9180 - Polkadot Network