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Invalid execution payloads — mismatched block state root on mainnet (reth v1.11.0)

Status: Open.

#8887 In sigp/lighthouse;

· Johnaverse opened on Feb 23, 2026

Invalid execution payloads — mismatched block state root on sepolia

questionUser question (not actionable)User question (not actionable)

Status: Open.

#8877 In sigp/lighthouse;

· Johnaverse opened on Feb 20, 2026

Update block replayer for Gloas

database

gloas

HTTP-API

Status: Open.

#8869 In sigp/lighthouse;

· eserilev opened on Feb 19, 2026

Missing <code>events</code> feature gating with error variant in <code>eth2</code> package

Status: Open.

#8858 In sigp/lighthouse;

· mempirate opened on Feb 18, 2026

Test new allocators (mimalloc, tcmalloc)

enhancementNew feature or requestNew feature or request

optimizationSomething to make Lighthouse run more efficiently.Something to make Lighthouse run more efficiently.

Status: Open.

#8840 In sigp/lighthouse;

· michaelsproul opened on Feb 18, 2026

Gloas stateless/stateful block production endpoints

gloas

val-clientRelates to the validator client binaryRelates to the validator client binary

Status: Open.

#8828 In sigp/lighthouse;

· eserilev opened on Feb 16, 2026

Gloas issues with SSE event <code>ExtendedPayloadAttributes</code>

gloas

questionUser question (not actionable)User question (not actionable)

Status: Open.

#8817 In sigp/lighthouse;

· eserilev opened on Feb 14, 2026

Implement <code>/eth/v1/beacon/states/{state_id}/proposer_lookahead</code> endpoint

fuluRequired for the upcoming Fulu hard forkRequired for the upcoming Fulu hard fork

HTTP-API

Status: Open.

#8809 In sigp/lighthouse;

· chong-he opened on Feb 12, 2026

Update Cargo.toml adding license Apache-2.0

Status: Open.

#8790 In sigp/lighthouse;

· iamquang95 opened on Feb 10, 2026

Consider pubkey cache for builders

consensusAn issue/PR that touches consensus code, such as state_processing or block verification.An issue/PR that touches consensus code, such as state_processing or block verification.

optimizationSomething to make Lighthouse run more efficiently.Something to make Lighthouse run more efficiently.

RFCRequest for commentRequest for comment

Status: Open.

#8783 In sigp/lighthouse;

· michaelsproul opened on Feb 10, 2026

Head monitor service resilience improvements

enhancementNew feature or requestNew feature or request

val-clientRelates to the validator client binaryRelates to the validator client binary

Status: Open.

#8741 In sigp/lighthouse;

· jimmygchen opened on Feb 4, 2026

Implement updated <code>update_proposer_boost_root</code> in fork choice

consensusAn issue/PR that touches consensus code, such as state_processing or block verification.An issue/PR that touches consensus code, such as state_processing or block verification.

fork-choice

gloas

spec_changeA change related to the Eth2 specA change related to the Eth2 spec

Status: Open.

#8689 In sigp/lighthouse;

· jimmygchen opened on Jan 21, 2026