The proposal will upgrade the nomination limits such that more people can start nominating. Note that this is a time-sensitive action, because currently existing nominators cannot change their intentions. [This pull request](https://github.com/paritytech/substrate/pull/9193) will change this logic, so that those who are already a nominator will not be affected by any limit, and **will be placed in the next Polkadot  runtime upgrade**.

The new limits increase the nominator capacity by `2500` (making it `22500` in total), and increase the the stake threshold to `40DOTs`. It is intended that these numbers would keep the current count of nominators (all of whom must have 40 or more DOTs) below the new count limit (`22500`) **until the next runtime upgrade**: If an influx of nominators is observed over a very short period of time, the stake limit might need to be increased again proportionally to keep the staking system stable.  

Preimage [HERE](https://drive.google.com/file/d/1Pp8mkUkFCkYiauUAe2RXFBhzk5wgulGV/view?usp=sharing).

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

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- The proposal is to upgrade the nomination limits so that more people can start nominating.
- This is a time-sensitive action and will be included in the next Polkadot runtime upgrade.
- The new limits increase the nominator capacity by 2500, making it a total of 22500.
- The stake threshold will also increase to 40DOTs.
- If there is a sudden increase in nominators, the stake limit might need to be increased again to keep the staking system stable.

#91 Upgrade the nomination limits on Polkadot