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Health endpoint reports ClUnavailable after 5 minutes despite CL functioning correctly (regression in 1.37.0)

Status: Open.

#11473 In NethermindEth/nethermind;

· svlachakis opened on May 3, 2026

FlatDb 1.37.1: restart mid-snap promotes incomplete state, deletes canonical chain, sync permanently stuck

bug fix + reliability

Status: Open.

Bug

#11457 In NethermindEth/nethermind;

· svlachakis opened on May 1, 2026

With FlatInTrie, a restart during Snap State Ranges greatly increases RAM usage and OOMs

Status: Open.

#11442 In NethermindEth/nethermind;

· yorickdowne opened on Apr 30, 2026

Add NixOS flake to enhance support for NixOS

Status: Open.

#11435 In NethermindEth/nethermind;

· duckdegen opened on Apr 30, 2026

Refactor to unify IFinalizationManager & ReorgDepthFinalizedStateProvider

Status: Open.

#11421 In NethermindEth/nethermind;

· svlachakis opened on Apr 29, 2026

With FlatInTrie, --FlatDb.ImportFromPruningTrieState=true triggers on partway synced DB

Status: Open.

#11418 In NethermindEth/nethermind;

· yorickdowne opened on Apr 29, 2026

RPC - Spec & Hive Tests Discrepancies

rpc

Status: Open.

#11412 In NethermindEth/nethermind;

· svlachakis opened on Apr 29, 2026

eth_fillTransaction

rpc

Status: Open.

Feature

#11374 In NethermindEth/nethermind;

· MarekM25 opened on Apr 27, 2026

TxPool: fix overly aggressive tx locking

Status: Open.

#11367 In NethermindEth/nethermind;

· MarekM25 opened on Apr 27, 2026

FlatDB sync ends up on invalid chain

consensusThis PR touches consensus logic and requires at least 3 approvals.This PR touches consensus logic and requires at least 3 approvals.

stability

Status: Open.

#11353 In NethermindEth/nethermind;

· yorickdowne opened on Apr 25, 2026

FlatDB sync does not survive restart of the client

stability

Status: Open.

#11351 In NethermindEth/nethermind;

· yorickdowne opened on Apr 25, 2026

Warning: "Unable to completely prune persisted nodes" spam on Base mainnet

Status: Open.

#11264 In NethermindEth/nethermind;

· stdevMac opened on Apr 20, 2026