> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cosmos.network/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Release history and changelog for Cosmos EVM

<Info>
  This page tracks releases and changes for version 0.4.x from the [cosmos/evm](https://github.com/cosmos/evm) repository.
  For all releases, see the [next](/evm/next/changelog/release-notes) version.
</Info>

<Update label="Release" description="v0.4.1" tags={["EVM", "Release"]}>
  ## DEPENDENCIES

  * [#459](https://github.com/cosmos/evm/pull/459) Update `cosmossdk.io/log` to `v1.6.1` to support Go `v1.25.0+`.
  * [#435](https://github.com/cosmos/evm/pull/435) Update Cosmos SDK to `v0.53.4` and CometBFT to `v0.38.18`.

  ## BUG FIXES

  * [#179](https://github.com/cosmos/evm/pull/179) Fix compilation error in server/start.go
  * [#245](https://github.com/cosmos/evm/pull/245) Use PriorityMempool with signer extractor to prevent missing signers error in tx execution
  * [#289](https://github.com/cosmos/evm/pull/289) Align revert reason format with go-ethereum (return hex-encoded result)
  * [#291](https://github.com/cosmos/evm/pull/291) Use proper address codecs in precompiles for bech32/hex conversion
  * [#296](https://github.com/cosmos/evm/pull/296) Add sanity checks to trace\_tx RPC endpoint
  * [#316](https://github.com/cosmos/evm/pull/316) Fix estimate gas to handle missing fields for new transaction types
  * [#330](https://github.com/cosmos/evm/pull/330) Fix error propagation in BlockHash RPCs and address test flakiness
  * [#332](https://github.com/cosmos/evm/pull/332) Fix non-determinism in state transitions
  * [#350](https://github.com/cosmos/evm/pull/350) Fix p256 precompile test flakiness
  * [#376](https://github.com/cosmos/evm/pull/376) Fix precompile initialization for local node development script
  * [#384](https://github.com/cosmos/evm/pull/384) Fix debug\_traceTransaction RPC failing with block height mismatch errors
  * [#441](https://github.com/cosmos/evm/pull/441) Align precompiles map with available static check to Prague.
  * [#452](https://github.com/cosmos/evm/pull/452) Cleanup unused cancel function in filter.
  * [#454](https://github.com/cosmos/evm/pull/454) Align multi decode functions instead of string contains check in HexAddressFromBech32String.
  * [#468](https://github.com/cosmos/evm/pull/468) Add pagination flags to `token-pairs` to improve query flexibility.

  ## IMPROVEMENTS

  * [#294](https://github.com/cosmos/evm/pull/294) Enforce single EVM transaction per Cosmos transaction for security
  * [#299](https://github.com/cosmos/evm/pull/299) Update dependencies for security and performance improvements
  * [#307](https://github.com/cosmos/evm/pull/307) Preallocate EVM access\_list for better performance
  * [#317](https://github.com/cosmos/evm/pull/317) Fix EmitApprovalEvent to use owner address instead of precompile address
  * [#345](https://github.com/cosmos/evm/pull/345) Fix gas cap calculation and fee rounding errors in ante handler benchmarks
  * [#347](https://github.com/cosmos/evm/pull/347) Add loop break labels for optimization
  * [#370](https://github.com/cosmos/evm/pull/370) Use larger CI runners for resource-intensive tests
  * [#373](https://github.com/cosmos/evm/pull/373) Apply security audit patches
  * [#377](https://github.com/cosmos/evm/pull/377) Apply audit-related commit 388b5c0
  * [#382](https://github.com/cosmos/evm/pull/382) Post-audit security fixes (batch 1)
  * [#388](https://github.com/cosmos/evm/pull/388) Post-audit security fixes (batch 2)
  * [#389](https://github.com/cosmos/evm/pull/389) Post-audit security fixes (batch 3)
  * [#392](https://github.com/cosmos/evm/pull/392) Post-audit security fixes (batch 5)
  * [#398](https://github.com/cosmos/evm/pull/398) Post-audit security fixes (batch 4)
  * [#442](https://github.com/cosmos/evm/pull/442) Prevent nil pointer by checking error in gov precompile FromResponse.
  * [#387](https://github.com/cosmos/evm/pull/387) (Experimental) EVM-compatible appside mempool
  * [#476](https://github.com/cosmos/evm/pull/476) Add revert error e2e tests for contract and precompile calls
  * [#599](https://github.com/cosmos/evm/pull/599) Align jsonrpc apis with geth v1.16.3

  ## FEATURES

  * [#253](https://github.com/cosmos/evm/pull/253) Add comprehensive Solidity-based end-to-end tests for precompiles
  * [#301](https://github.com/cosmos/evm/pull/301) Add 4-node localnet infrastructure for testing multi-validator setups
  * [#304](https://github.com/cosmos/evm/pull/304) Add system test framework for integration testing
  * [#344](https://github.com/cosmos/evm/pull/344) Add txpool RPC namespace stubs in preparation for app-side mempool implementation
  * [#440](https://github.com/cosmos/evm/pull/440) Enforce app creator returning application implement AppWithPendingTxStream in build time.

  ## API-BREAKING

  * [#456](https://github.com/cosmos/evm/pull/456) Remove non–go-ethereum JSON-RPC methods to align with Geth’s surface
  * [#443](https://github.com/cosmos/evm/pull/443) Move `ante` logic from the `evmd` Go package to the `evm` package to
  * [#422](https://github.com/cosmos/evm/pull/422) Align function and package names for consistency.
  * [#305](https://github.com/cosmos/evm/pull/305) Remove evidence precompile due to lack of use cases
</Update>