v1.10.2

v1.10.2 - 2026-06-10

This is highly recommended patch release of Charon v1.10.2. This patch has numerous security and performance fixes. Feedback is welcome and appreciated, please use github issues or discord if you have trouble with this release.

Read the rest of the release notes for more:

Full Changelog: v1.10.1..v1.10.2

Bugfix

• Fix memory leak of prometheus metrics, growing cardinality uncontrollably #4553
• Do not store expired duties in ParSigDB; rework deadliner #4552
• Fix key in the KV in-memory storage of aggregation duties in DutyDB #4544
• Fix charon exit fetch signature aggregation #4542

Compatibility Matrix

This release of Charon is backwards compatible with Charon >= v1.0., though only v1.7. and newer are Fulu-ready.

The below matrix details a combination of beacon node (consensus layer) + validator clients and their corresponding versions the DV Labs team have tested with this Charon release. More validator and consensus client will be added to this list as they are supported in our automated testing framework.

Legend

• ✅: All duties succeed in testing
• 🟡: All duties succeed in testing, except non-penalised aggregation duties
• 🟠: Duties may fail for this combination
• 🔴: One or more duties fails consistently

Validator 👉 Consensus 👇	Teku v26.4.0	Lighthouse v8.1.3	Lodestar v1.42.0	Nimbus v26.3.1	Prysm v7.1.3	Vouch v1.12.1 ❗
Teku v26.4.0 ❗	✅	✅	✅	✅	✅	🟡
Lighthouse v8.1.3	✅	✅	✅	✅	✅	🟡
Lodestar v1.42.0	✅	✅	✅	✅	✅	🟡
Nimbus v26.3.1	✅	✅	✅	✅	✅	🟡
Prysm v7.1.3	✅	✅	✅	✅	✅	🟡
Grandine v2.0.4	✅	✅	✅	✅	✅	🟡

What's Changed

• app: bump patch version to v1.10-rc (#4548)

• *: v1.10.2-rc1 (#4549)

• *: cherry-picks for v1.10.2-rc2 (#4555)

• app/version: bump v1.10 to stable (#4556)