Heimdall v2 version 0.5.6 has been released. This is a crucial update and is recommended for all node operators across all networks.
The primary focus of this release is to address the recent mainnet outage of January 12th, 2026. It contains important fixes to improve node stability and prevent similar issues.
Key changes in this version include:
Logging Improvements:
The --log_no_color flag has been fixed and is now correctly applied to all loggers. This allows operators to properly disable ANSI color codes in logs, which simplifies log parsing and management.
Security Audits:
For increased transparency, security audit reports have been added to the official repository.
## Description This release contains some fixes for the latest outage happened on mainnet on Jan 12th, 2026. It's recommended for all operators to update for all networks. Also, it contains some optimizations for the logs output and the security audits reports. ## What's Changed * Add Security Audits by @0xCVH in https://github.com/0xPolygon/heimdall-v2/pull/506 * Small fixes by @avalkov in https://github.com/0xPolygon/heimdall-v2/pull/528 * fix: wire `--log_no_color` flag to all loggers by @kamuikatsurgi in https://github.com/0xPolygon/heimdall-v2/pull/529 * merge develop by @marcello33 in https://github.com/0xPolygon/heimdall-v2/pull/530 ## New Contributors * @0xCVH made their first contribution in https://github.com/0xPolygon/heimdall-v2/pull/506 **Full Changelog**: https://github.com/0xPolygon/heimdall-v2/compare/v0.5.5...v0.5.6