ICM Services Releases
Track ICM Relayer and Signature Aggregator releases, version compatibility, and download binaries.
This page is automatically generated from the ICM Services GitHub releases.
Current Recommended Versions
| Component | Version | Released | Type |
|---|---|---|---|
| ICM Relayer | v1.7.4 | November 13, 2025 | Stable |
| Signature Aggregator | v0.5.3 | November 13, 2025 | Stable |
Important: ICM Services must be compatible with your AvalancheGo version. Always check the release notes for network upgrade compatibility requirements.
Quick Installation
ICM Relayer
# Download the latest release (Linux AMD64)
curl -sL -o icm-relayer.tar.gz https://github.com/ava-labs/icm-services/releases/download/icm-relayer-v1.7.4/icm-relayer_1.7.4_linux_amd64.tar.gz
# Extract and install
tar -xzf icm-relayer.tar.gz
sudo install icm-relayer /usr/local/binSignature Aggregator
# Download the latest release (Linux AMD64)
curl -sL -o signature-aggregator.tar.gz https://github.com/ava-labs/icm-services/releases/download/signature-aggregator-v0.5.3/signature-aggregator_0.5.3_linux_amd64.tar.gz
# Extract and install
tar -xzf signature-aggregator.tar.gz
sudo install signature-aggregator /usr/local/binDocker
Both components are available as Docker images:
# ICM Relayer
docker pull avaplatform/icm-relayer:latest
# Signature Aggregator
docker pull avaplatform/signature-aggregator:latestICM Relayer Releases
The ICM Relayer listens for Warp message events on source blockchains and constructs transactions to relay messages to destination blockchains.
v1.7.4
Released: November 13, 2025 | View on GitHub
Overview
This version is compatible with Granite on both Fuji and Mainnet.
All Mainnet nodes must upgrade before 11 AM ET, November 19th 2025.
This version reduces the frequency of validator set fetching from v1.7.3 which can help in resource constrained deployments.
It also includes a work-around for ...
v1.7.3
Released: November 5, 2025 | View on GitHub
This version is compatible with Avalanche Granite upgrade. All mainnet ICM relayer instances must be update before November 19th at 11:00 AM ET.
v1.6.7
Released: October 14, 2025 | View on GitHub
Overview
The most significant change from the previous release is a new configuration option to set a suggested-priority-fee-buffer which gets added to the suggested tip returned by the RPC
v1.6.6
Released: July 30, 2025 | View on GitHub
v1.6.5
Released: July 11, 2025 | View on GitHub
Signature Aggregator Releases
The Signature Aggregator collects and aggregates BLS signatures from validators to create valid Warp message proofs.
v0.5.3
Released: November 13, 2025 | View on GitHub
Overview
This version is compatible with Granite on both Fuji and Mainnet.
All Mainnet nodes must upgrade before 11 AM ET, November 19th 2025.
This version reduces the frequency of validator set fetching from v0.5.2 which can help in resource constrained deployments.
v0.5.2
Released: November 5, 2025 | View on GitHub
This version is compatible with Avalanche Granite upgrade. All mainnet signature aggregator instances must be update before November 19th at 11:00 AM ET.
v0.4.5
Released: July 30, 2025 | View on GitHub
v0.4.4
Released: July 11, 2025 | View on GitHub
v0.4.3
Released: April 21, 2025 | View on GitHub
Overview This release contains a number of bug fixes and improvements that improve the overall reliabilityICM signature aggregation. It also contains logging and metrics improvements to aid in troubleshooting.
All Releases
For a complete list of all ICM Services releases including pre-releases, visit the official GitHub Releases page.
Related Resources
- Run a Relayer - Detailed relayer setup guide
- Avalanche Warp Messaging Overview - Understanding AWM
- ICM Contracts - Smart contract integration
Is this guide helpful?
Run a Relayer
Reference relayer implementation for cross-chain Avalanche Interchain Message delivery.
What is ICM Contracts?
ICM Contracts is a messaging protocol built on top of Avalanche Interchain Messaging that provides a developer-friendly interface for sending and receiving cross-chain messages from the EVM.