https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/shanghai.md

Short list

EIPsT-shirt sizeStatusPRChampionUnderstudyAccepted?Needed for Devnet?
3540 - EVM Object Format (EOF)XLin mainDanno
Likely (EOF)N

3651 - Warm Coinbase

Sin mainhttps://github.com/hyperledger/besu/pull/4620Danno
YesY
3670 - EOF - Code ValidationLin mainhttps://github.com/hyperledger/besu/pull/4644Danno
Likely (EOF)y
3855 - PUSH0 InstructionSin mainhttps://github.com/hyperledger/besu/pull/4660Danno
YesY
3860 - Limit & Meter InitcodeMin mainhttps://github.com/hyperledger/besu/pull/4726Diego
YesY
4200 - Relative Jump InstructionsMDrafthttps://github.com/hyperledger/besu/pull/4760Diego
Likely (EOF)Y
4750 - EOF FunctionsXLDrafthttps://github.com/hyperledger/besu/pull/4781Danno
Likely (EOF)y
4844 - Shard Blob TxXL
https://github.com/hyperledger/besu/issues/4631Jiri
Likely (Blobs)Likely
4895 - WithdrawalsM
https://github.com/hyperledger/besu/issues/4746Simon
YesY
5450 - EOF Stack ValidationM

Danno
Likely (EOF)y

Laundry list

EIPsT-shirt sizeStatusPRChampionAccepted?
1153 - Transient Storage Mtesting#4118
Likely
2537 - BLS PrecompileScompletein mainGaryLikely
3074 - AUTH and AUTHCALLL


Unlikely
EIP-4758: Deactivate SELFDESTRUCT

(note there's also now an alternative EIP
https://eips.ethereum.org/EIPS/eip-6046)
S


Likely