What's Changed

This is a maintenance release to prepare for the Fusaka release next week. It contains a state history rewrite, fixes for the Osaka devnets, performance improvements, and a few bug fixes.

Fusaka

• Fix: use blob parameters from current header #32424
• Convert legacy sidecar in Osaka #32347

Core

• Stabilize tx relay peer selection #31714
• Reduced number of allocation when comparing transactions #31912
• Rework tracer and track origin value of dirty nodes #32306
• Avoids loading the same blob tx multiple times #32190
• Fix modexp input check #32363
• GetBlockReceipts also handles pending blocks #32461
• Tree node prefetching for increased loader performance #32134
• Parallelized db inspect #32506

RPC

• Apply precompile overrides in DoEstimateGas #31795
• Fix uncle reward accounting in supply_tracer #31882
• Checks ErrGasLimitTooHigh in conditions in gas estimator #32348
• Implement EIP-7910 - eth_config JSON-RPC Method #32239
• Add SetWebsocketReadLimit in RPC Server #32279
• graphql: add query depth limit to prevent DoS attacks #32344
• Adds codeHash to prestateTracer's account structure #32391
• Remove deprecated method debug_seedHash #32495

Others

• Introduce the TransitionState object #31634 and #32366
• Fix ledger version check for EIP-155 support #32417
• Fix: don't return an error when a nil peer is found in GetHeader #32369
• Add support for Go 1.25 #32425 and #32412
• Add trie depth-tracking metrics #32388 and #32507
• Implement EIP-7864 - binary trees 32365
• Improved ETA calculation #32521

For a full rundown of the changes please consult the Geth 1.16.3 release milestone.

---

As with all our previous releases, you can find the:

• Pre-built binaries for all platforms on our downloads page.
• Docker images published under ethereum/client-go.
• Ubuntu packages in our Launchpad PPA repository.
• OSX packages in our Homebrew Tap repository.