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Remove challenger-role config after PermissionedDisputeGame is retired

M-needs-triageMeta: this issue needs to be labelledMeta: this issue needs to be labelled

Status: Open.

#21888 In ethereum-optimism/optimism;

· pauldowman opened on Jul 17, 2026

kona-node: check whether follow-source requests can block sequencing (op-node liveness bug fixed by #21759)

Status: Open.

#21880 In ethereum-optimism/optimism;

· pcw109550 opened on Jul 17, 2026

SDM: upgrade kupcake to support Lagoon, Blockscout and latest OP stack

Status: Open.

#21879 In ethereum-optimism/optimism;

· nonsense opened on Jul 17, 2026

Delete deprecated dispute game contracts after super root contracts ship

Status: Open.

#21863 In ethereum-optimism/optimism;

· pauldowman opened on Jul 16, 2026

Support superroot_atTimestamp in kona-node

H-interopHardfork: change planned for interop upgradeHardfork: change planned for interop upgrade

proofs: interop

Status: Open.

#21861 In ethereum-optimism/optimism;

· ajsutton opened on Jul 16, 2026

ZK: Proving cost and performance improvements

Status: Open.

#21801 In ethereum-optimism/optimism;

· pauldowman opened on Jul 15, 2026

test(kona-proof-interop): cover deposit-only block re-execution

proofs: ZK

Status: Open.

#21798 In ethereum-optimism/optimism;

· Inphi opened on Jul 15, 2026

op-deployer manage: migrate and set-interop-dispute-games neither broadcast nor dump calldata

A-op-deployer

C-featureCategory: featuresCategory: features

Status: Open.

#21797 In ethereum-optimism/optimism;

· wwared opened on Jul 15, 2026

kona/protocol: brotli decoder (brotli-decompressor) is more lenient than op-node (andybalholm) — accepts malformed channels op-node rejects

Status: Open.

#21793 In ethereum-optimism/optimism;

· sebastianst opened on Jul 15, 2026

Alert on proving progress failures or stalls

Status: Open.

#21775 In ethereum-optimism/optimism;

· pauldowman opened on Jul 15, 2026

Fetching boot info inOPSuccinctDataFetcher should be more robust

proofs: ZK

Status: Open.

#21773 In ethereum-optimism/optimism;

· pauldowman opened on Jul 15, 2026

kona-sp1: EIP-2537 (BLS12-381) precompiles run on unaccelerated arkworks in the zkVM guest

proofs: ZK

T-proofsTeam: ProofsTeam: Proofs

Status: Open.

#21767 In ethereum-optimism/optimism;

· wwared opened on Jul 14, 2026