Upgrade priority: Medium (timely upgrade recommended) - due to change(s): Improve transaction submission (paritytech/substrate#6599), Send Status message on all newly-opened legacy substreams (paritytech/substrate#6593)

Specs of the runtime can be found here: https://github.com/paritytech/polkadot/releases/tag/v0.8.14

- There are some changes that need to be made to improve how transactions are sent.
- There is also a change needed to send a status message on all newly-opened legacy substreams.
- It is recommended to make these upgrades in a timely manner.
- You can find more information about the upgrades in the provided link.
- The upgrades are important for the smooth functioning of the system.

#177 SetCode, Kusama runtime 2014