Changelog

This release brings a couple of new features.

The new AxelarAmplifierGateway has been released. This implements the new Axelar Gateway v2 spec that is compatible with Axelar Amplifier protocol, and includes significant optimizations. You can find integration notes here.
The on-chain gas estimation now supports L2 specific gas pricing. This is applied automatically based on the destination chain name.

What's Changed

feat(GasEstimation): adding Arbitrum support by @re1ro in #149
feat(GasEstimation): adding Scroll L2 support by @re1ro in #152
feat(GasEstimation): adding Mantle L2 support by @re1ro in #153
feat(auth)!: amplifier compatible auth contract by @milapsheth in #151
feat(amplifier)!: amplifier gateway v2 by @milapsheth in #154
fix(GasEstimation): configurable scalar for L1 base fee by @re1ro in #158
refactor(amplifier)!: inherit weighted multisig in amplifier gateway by @milapsheth in #157
feat(amplifier)!: add upgradability to amplifier gateway by @milapsheth in #159
perf(amplifier)!: use a single mapping for approvals in the gateway by @milapsheth in #160
ci: fix bytecode publish action by @milapsheth in #161

Full Changelog: v5.7.0...v5.8.0