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Reth

Paradigm · Rust · MIT OR Apache-2.0

Rust execution client; fast sync and modular SDK.

executionEthereum MainnetHoodiSepoliaHolesky
paradigmxyz/rethDocsWebsiteghcr.io/paradigmxyz/reth

Required by network upgrades

UpgradeNetworkMinimum
GlamsterdamSepolia≥ 2.7.0
FusakaEthereum Mainnet≥ 1.9.3

Releases

Rated by the reth-table rules · weight 1.5
Channel
Severity
Type
Network
Fork
32 releases
Rethv2.8.1
Why this rating
  • high (all networks): Payload Builders | High on Hoodi, Low elsewhere
  • high (all networks): Non-Payload Builders | High on Hoodi, Low elsewhere
  • high (hoodi): Hoodi operators must upgrade before 26 October 2026 at 17:42:48 UTC, the activation time v2.8.0 scheduled.
Oct 23, 2026
Rethv2.8.0
Why this rating
  • high (hoodi): Hoodi operators must upgrade before 26 October 2026 at 17:42:48 UTC.
  • fork scheduled (hoodi): Reth v2.8.0 schedules the Amsterdam hardfork on Hoodi, adds opt-in snap/2 sync and prewarm result reuse, and hardens peer-to-peer networking and RPC.
  • fork scheduled (hoodi): This release schedules Amsterdam on Hoodi at timestamp 1793036568 (epoch 132352) and extends the Hoodi fork IDs through Amsterdam.
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
Oct 20, 2026
Rethv2.7.0
Why this rating
  • high (sepolia): Sepolia operators must upgrade before 6 October 2026 at 13:53:36 UTC.
  • fork scheduled (sepolia): This release schedules Amsterdam activation on Sepolia testnet and tests the fork ID and eth_config transition.
  • performance wording: "- Performance and configuration: Enabled the shared sender recovery cache by default, lowered the default RPC cache counts (blocks: 5,000 to 1,000; blocks' receipts: 2,000 to 500)…"
Sep 28, 2026
Rethv2.6.0
Why this rating
  • high (all networks): Custom RPC builders must update construction; existing builder setters and defaults remain available (#27251, #27268).
  • Security: - Kept the engine tree alive when downloaded or buffered blocks contain unrecoverable transactions, preventing malformed peer-served blocks from stopping the t…
  • low (all networks): Payload Builders | Low
  • low (all networks): Non-Payload Builders | Low
  • performance wording: "The release also improves performance across block processing, historical-state RPC, pruning, transaction-pool updates, and peer discovery."
Sep 17, 2026
Rethv2.5.2
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
Sep 2, 2026
Rethv2.5.1
Why this rating
  • high (all networks): If you are running on a low-core machine (<5 cores), the update is mandatory as it fixes a regression.
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
Aug 20, 2026
Rethv2.5.0
Why this rating
  • high (all networks): Custom validators overriding this method must update their signatures (#26398, #26420).
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
  • Security: - Bound the devp2p Hello identity to the authenticated ECIES peer identity, preventing peers from presenting a different node ID after the encrypted handshake …
  • performance wording: "Reth v2.5.0 improves execution performance across the board."
Aug 12, 2026
Rethv2.4.1
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
Jul 17, 2026
Rethv2.4.0
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
  • high (all networks): - Changed PayloadValidator::validate_block_post_execution_with_hashed_state to receive a lazy overlay-aware parent-state provider and return PostExecutionValidationError; custom implementations overr…
  • medium (all networks): SDK/library users that depend on trie internals should update usages of ParallelStateRoot, ParallelSparseTrie, and ParallelStateRootError that were removed in this version.
  • performance wording: "Networking and transaction propagation get a large set of throughput-oriented improvements: faster pooled transaction recovery (#26304), cached full transaction propagation encodi…"
Jul 14, 2026
Rethv2.3.0
Why this rating
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
  • breaking wording: "Action Required: SDK users with custom payload, transaction pool, or consensus integrations should review the breaking changes below."
  • performance wording: "Reth v2.3.0 includes several payload, engine, trie, and transaction-pool performance improvements, including parallel execution work, BAL prewarming, faster proof and trie paths, …"
Jun 10, 2026
Rethv2.2.0
Why this rating
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
  • deprecation wording: "- Replaced deprecated MDBX_NOTLS with MDBX_NOSTICKYTHREADS (#23378)"
  • performance wording: "Numerous performance improvements land in the trie, database, and re-execution paths, alongside a broad set of correctness fixes in the engine, RPC, networking, and CLI layers."
Apr 30, 2026
Rethv2.1.0
Why this rating
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
Apr 20, 2026
Rethv2.0.0
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
  • deprecation wording: "This release also removes the deprecated reth-primitives crate and removes RocksDB feature gates (RocksDB is now always available)."
  • performance wording: "Reth 2.0 is a major release that makes Storage V2 the default for all new nodes, introduces the SparseTrieCacheTask for dramatically faster state root computation, and delivers ac…"
Apr 8, 2026
Rethv1.11.3
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
  • high (all networks): > [!IMPORTANT] > This release replaces v1.11.x, and users must upgrade to v1.11.3
Mar 12, 2026
Rethv1.11.2
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
  • high (all networks): > [!IMPORTANT] > This release replaces v1.11.1, and users must upgrade to v1.11.2
Mar 10, 2026
Rethv1.11.1
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
  • high (all networks): > [!IMPORTANT] > This release replaces v1.11.0, and users must upgrade to v1.11.1
Feb 23, 2026
Rethv1.11.0
Why this rating
  • high (all networks): Payload Builders | High
  • medium (all networks): Non-Payload Builders | Medium
  • consensus-safety wording: "- feat(cli): make stopping on invalid block the default for reth import (#21403)"
  • breaking wording: "- fix(rpc): use Default for SimulateError to prepare for alloy breaking change (#21319)"
  • deprecation wording: "- chore: remove deprecated and unused ExecuteOutput struct (#20887)"
Feb 16, 2026
Rethv1.10.2
Why this rating
  • medium (all networks): Payload Builders | Medium as in 1.10.0
  • medium (all networks): Non-Payload Builders | Medium as in 1.10.0
  • medium (all networks): * Addresses some perf regressions introduced in 1.10.1, 1.10.1 users should upgrade
Jan 22, 2026
Rethv1.10.1
Why this rating
  • medium (all networks): Payload Builders | Medium as in 1.10.0
  • medium (all networks): Non-Payload Builders | Medium as in 1.10.0
  • performance wording: "- perf: Optimize multiproof sequencer add_proof (#21129)"
Jan 19, 2026
Rethv1.10.0
Why this rating
  • medium (all networks): Payload Builders | Medium
  • medium (all networks): Non-Payload Builders | Medium
  • breaking wording: "This is a major version bump due to SDK breaking changes including the removal of the Consensus::Error associated type and revamped tx policy traits."
  • performance wording: "This release brings performance improvements (overlay caching for state providers (#19752), transaction pool optimizations (#20405, #20398)), new RPC endpoints (engine_getBlobsV3,…"
Jan 15, 2026
Rethv1.9.4
Jan 15, 2026
Rethv1.9.3
Why this rating
  • low (all networks): Payload Builders | low
  • low (all networks): Non-Payload Builders | low
Nov 18, 2025
Rethv1.9.2
Nov 11, 2025
Rethv1.9.1
Why this rating
  • high (all networks): Payload Builders | critical from v1.9.0
  • high (all networks): Non-Payload Builders | critical from v1.9.0
  • hotfix wording: "This is a hotfix release that replaces the fusaka release v1.9.0 and fixes an evm regression that was introduced in preparation for EIP-7928."
Nov 7, 2025
Rethv1.9.0
Why this rating
  • security wording: "- fix: Bearer token parsing vulnerability (#18712)"
  • consensus-safety wording: "- chore(engine): remove unnecessary ChainSpecProvider bound from invalid block witness hook (#18760)"
  • hotfix wording: "> [!CAUTION] > Please use the v1.9.1 release which includes an important hotfix for this release."
  • low (all networks): Payload Builders | low
  • low (all networks): Non-Payload Builders | low
Nov 5, 2025
Rethv1.8.4
Why this rating
  • medium (all networks): Payload Builders | medium
  • medium (all networks): Non-Payload Builders | medium
Nov 5, 2025
Rethv1.8.3
Why this rating
  • high (all networks): Payload Builders | high
  • high (hoodi, sepolia): > [!IMPORTANT] > Upgrading to this release is mandatory for payload builders/validators running on Sepolia/Hoodi.
  • hotfix wording: "This is a hotfix release for payload builders/validators on Hoodi/Sepolia after the Fusaka hardfork."
  • low (all networks): Non-Payload Builders | low
Oct 29, 2025
Rethv1.8.2
Why this rating
  • high (holesky): Holesky | High
  • high (holesky): > [!IMPORTANT] > Upgrading to this release is mandatory for node operators running Holesky.
  • low (all networks): Payload Builders | Low
  • low (all networks): Non-Payload Builders | Low
Sep 30, 2025
Rethv1.8.1
Sep 23, 2025
Rethv1.8.0
Why this rating
  • high (all networks): Payload Builders | high
  • high (all networks): Non-Payload Builders | high
  • high (all networks): Non-Payload Builders | high
  • performance wording: "Also includes rpc fixes, performance improvements and new SDK features."
Sep 23, 2025
Rethv1.7.0
Why this rating
  • high (all networks): Payload Builders | High
  • high (all networks): Non-Payload Builders | High
  • medium (all networks): Op-reth | medium
  • medium (mainnet): Following steps are recommended for all ethereum mainnet operators, even if you recovered your node with the previous instructions or if your node was unaffected.
  • consensus-safety wording: "- refactor: move invalid block hook creation from LaunchContext to AddOnsContext (#17655)"
Sep 8, 2025
Rethv1.6.0
Why this rating
  • medium (all networks): Payload Builders | medium
  • medium (all networks): Non-Payload Builders | medium
  • performance wording: "Feel free to try it out for improved performance, and report any issues in our Telegram chat."
Jul 22, 2025
Reth releases and hard fork readiness · stakestack