This is release v0.40.2 of Grafana Agent.

Upgrading

Read the relevant upgrade guides for specific instructions on upgrading from older versions:

• Static mode upgrade guide
• Static mode Kubernetes operator upgrade guide
• Flow mode upgrade guide

Notable changes:

Bugfixes

• Set permissions on the Grafana Agent [Flow] folder when installing via the windows installer rather than relying on the parent folder permissions. (@erikbaranowski)
• Set restricted viewing permissions on the agent-config.yaml (static mode) or config.river (flow mode) when installing via the Windows installer if the configuration file does not already exist. (@erikbaranowski)
• Fix an issue where the import config node would not run after a config reload. (@wildum)
• Fix an issue where Loki could reject a batch of logs when structured metadata feature is used. (@thampiotr)
• Fix a duplicate metrics registration panic when recreating static mode metric instance's write handler. (@rfratto, @hainenber)

Other changes

• Change the Docker base image for Linux containers to public.ecr.aws/ubuntu/ubuntu:mantic. (@hainenber)

Installation

Refer to our installation guides for how to install the variants of Grafana Agent:

• Install static mode
• Install the static mode Kubernetes operator
• Install flow mode