Hey everyone,

I’m proposing this referendum today, it aims to fix the only XCM instruction that failed to execute from the successful outcome of [referendum 224](https://kusama.subsquare.io/referenda/224). 

**Brief Summary**
The previous referenda 224 was all about decentralizing the collator set on both system chains  – Bridge-hub Kusama and Asset-hub Kusama with a call tabled with five XCM instructions. From these five instructions, four were successfully executed and only the call related to the expansion of the invulnerables set on Asset-Hub Kusama failed to execute. The reason for the failed instruction was due to the fact of missing onchain session keys from one of the collators by the time the referenda moved into the execution phase.

At the time, knowing that the runtime v1000000 would bring new extrinsics to better handle such cases and also facilitate add/remove invulnerables, was than discussed by all parties involved that would make sense to wait until the current runtime was active on chain to propose a new referenda that would fix the previous XCM instruction, and such referenda could also be used as an opportunity to try out the new extrinsic – collatorSelection.addInvulnerable. 

As a result I’m proposing this referendum asking the community to vote on it.

**What to expect from this referendum**
With the successful outcome we could expect the following:

- 6 new invulnerables, changing the total number from 2 to 8 (Note: the following list of collators were the ones already previously selected on referenda 224)
TurboFlakes: `H1tAQMm3eizGcmpAhL9aA9gR844kZpQfkU7pkmMiLx9jSzE`
LuckyFriday: `HPUEzi4v3YJmhBfSbcGEFFiNKPAGVnGkfDiUzBNTR7j1CxT`
ParaNodes: `J11Rp4mjz3vRb2DL51HqRGRjhuEQRyXgtuFskebXb8zMZ9s`
Polkadotters: `EPGHRDFaBbQz4uF8DgnuScxYp4rvvtpL5MTed7VvGprNQmm`
Stake.Plus: `E5G5qLNBF7nwhemokqNrNwUCQ7oHrLsBVjSc7XhTdRq8672`
IcebergNodes: `Eicei1RVHvqHBPJAY2fZpLy2KtCMjY7Kwjo3svjmGLH7FmT`

- 3 out of the 9 active permissionless collators will automatically switch to invulnerables with the remaining 6 keeping their active slot.

Thanks for your vote and time
paulo // apps.turboflakes.io


Problem Statement:
- The XCM instruction related to the expansion of the invulnerables set on Asset-Hub Kusama failed to execute in the previous referendum due to missing onchain session keys from one of the collators.

Significance:
- The proposed referendum aims to fix the failed XCM instruction and implement the new extrinsic - collatorSelection.addInvulnerable.
- This will decentralize the collator set on both system chains and allow for better handling of similar cases in the future.

Proposed Solution:
- Proposing a new referendum to fix the failed XCM instruction and implement the new extrinsic - collatorSelection.addInvulnerable.

Expected Outcomes:
- 6 new invulnerables will be added, changing the total number from 2 to 8.
- 3 out of the 9 active permissionless collators will automatically switch to invulnerables, while the remaining 6 will keep their active slot.

#308 [Fix 224] Expand invulnerables set on Asset-Hub Kusama