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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

Separate async and blocking task counters in beacon processor

beacon-processorGlorious beacon processor, guardian against chaos yet chaotic itselfGlorious beacon processor, guardian against chaos yet chaotic itself

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

Status: Open.

#8460 In sigp/lighthouse;

· jimmygchen opened on Nov 25, 2025

Reduce validator client proposer duties polling with Fulu proposer lookahead

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

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

Status: Open.

#8457 In sigp/lighthouse;

· jimmygchen opened on Nov 25, 2025

Optimise fork choice attestation dequeueing

fork-choice

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

waiting-on-authorThe reviewer has suggested changes and awaits thier implementation.The reviewer has suggested changes and awaits thier implementation.

Status: Open (in progress).

sigp/lighthousenumber 8378

#8378 In sigp/lighthouse;

· michaelsproul opened on Nov 6, 2025

Reduce unnecessary data column downloads during backfill for full nodes

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

v8.2.02026 Q2/Q3 new release2026 Q2/Q3 new release

Status: Open.

#8308 In sigp/lighthouse;

· jimmygchen opened on Oct 28, 2025

Attestation processing optimization with batching

beacon-processorGlorious beacon processor, guardian against chaos yet chaotic itselfGlorious beacon processor, guardian against chaos yet chaotic itself

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

waiting-on-authorThe reviewer has suggested changes and awaits thier implementation.The reviewer has suggested changes and awaits thier implementation.

Status: Open (in progress).

sigp/lighthousenumber 8285

#8285 In sigp/lighthouse;

· hopinheimer opened on Oct 24, 2025

Remember non-canonical block roots

database

fork-choice

hardening

major-taskA significant amount of work or conceptual task.A significant amount of work or conceptual task.

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

Status: Open.

#8216 In sigp/lighthouse;

· michaelsproul opened on Oct 16, 2025

Attestation Processing Optimization

beacon-processorGlorious beacon processor, guardian against chaos yet chaotic itselfGlorious beacon processor, guardian against chaos yet chaotic itself

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

Status: Open.

#8208 In sigp/lighthouse;

· AgeManning opened on Oct 16, 2025

Fork choice write lock held during database write

fork-choice

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

Status: Open.

#8147 In sigp/lighthouse;

· michaelsproul opened on Oct 1, 2025

IPC support for the beacon API

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

HTTP-API

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

Status: Open.

#8100 In sigp/lighthouse;

· 0x19dG87 opened on Sep 22, 2025

Reconsider stack-allocated <code>Blob</code>/<code>Cell</code>

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.

dasData Availability SamplingData Availability Sampling

major-taskA significant amount of work or conceptual task.A significant amount of work or conceptual task.

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

Status: Open.

#7952 In sigp/lighthouse;

· michaelsproul opened on Aug 27, 2025

Debug slow <code>get_header</code> overhead

builder API

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

Status: Open.

#7941 In sigp/lighthouse;

· michaelsproul opened on Aug 26, 2025