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 | v1.8.2 | September 21, 2026 | Stable |
| Signature Aggregator | v0.6.0 | September 21, 2026 | 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-v1.8.2/icm-relayer_1.8.2_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-v0.6.0/signature-aggregator_0.6.0_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.
v1.8.2
Released: September 21, 2026 | View on GitHub
v1.7.5
Released: January 27, 2026 | View on GitHub
Overview
[!IMPORTANT]
This version is incompatible with previously used configs. All references to vm fields in source-blockchain and destination-blockchain config blocks must be removed
This release includes a bugfix for an issue that could cause messages sent around relayer startup to be missed by both the catch-up as well as the live chain processing. It also adds new chec...
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.
Signature Aggregator Releases
The Signature Aggregator collects and aggregates BLS signatures from validators to create valid Warp message proofs.
v0.6.0
Released: September 21, 2026 | View on GitHub
v0.5.4
Released: January 27, 2026 | View on GitHub
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.
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.