This proposal aims to upgrade Polkadot runtime to version [0.9.20](https://github.com/paritytech/polkadot/releases/tag/v0.9.20): 

Release notes, runtime changes and proposal hash can be found [HERE](https://github.com/paritytech/polkadot/releases/tag/v0.9.20). On the runtime side, you can check the changes in the link above. Other improvements on the client side for this release include a PR [aiming to reduce bandwidth](https://github.com/paritytech/polkadot/pull/5164) to improve parachain block times, in response to [the issues described on this post](https://kusama.polkassembly.io/post/1424)  

- Call hash for Polkadot upgrade: `0xf94667fb9411092c1c0b2f157021ff871d92c60becfe8cd467a16e6d6ccf4a92`

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!

Schedule a majority-carries referendum to be tabled next once it is legal to schedule
an external referendum.

The dispatch of this call must be `ExternalMajorityOrigin`.

- `proposal_hash`: The preimage hash of the proposal.

Unlike `external_propose`, blacklisting has no effect on this and it may replace a
pre-scheduled `external_propose` call.

Weight: `O(1)`

- The proposal is to upgrade Polkadot runtime to version 0.9.20.
- You can find the release notes and changes in the link provided.
- There are improvements to reduce bandwidth and improve block times.
- The call hash for the upgrade is 0xf94667fb9411092c1c0b2f157021ff871d92c60becfe8cd467a16e6d6ccf4a92.
- The proposal needs to be voted by the community and enacted after.

#198 Polkadot Runtime Upgrade to v9200