# 3.7.6 LTS - Release Notes > **Warning** > > **End of Life Release** > > > > This LTS release reached end of life in May 2025 and is no longer supported. This release no longer receives security updates or bug fixes. > > > > For the current supported LTS release and upgrade instructions, see [Release Notes](../index.md#getting-release-notes). Squirro 3.7.6 is a long-term support (LTS) release and received updates for security issues and important bug fixes for two years. See [Squirro Release Process](../squirro-release-process.md#getting-squirro-process) for details on Squirro versioning. This is the first critical bug fix release for Squirro LTS release 3.7.5. For a detailed list of the new features which are shipped with this LTS, please refer to [3.7.5 LTS Release Notes](3.7.5-lts.md#release-notes-3-7-5-lts-rn). As an LTS patch release, Squirro 3.7.6 ends support on the same date as Squirro 3.7.5, which was released on May 02, 2023. ## Bug Fixes - Fixed an issue with the Provider Service silently losing entire items due to `provider.skip-files-without-content:True`. ## Installation and Upgrade > **Note** > > For migrating Elasticsearch, see the previous notes in Breaking Changes and refer to Elasticsearch Migration for step-by-step migration instructions. > > > > If you are upgrading a multi-node installation, before upgrading, visit the Squirro Support website and submit a technical support request, as the exact steps can vary widely depending on your existing setup. You will have to resolve at least the following config files when upgrading from Squirro 3.3.0 - `/etc/nginx/conf.d/ssl.inc` - `/etc/squirro/common.ini` For new installations, please follow the [Installing Squirro on Linux](../../install/linux.md#install-linux) instructions. To upgrade an existing installation, please consult [Upgrading Squirro](../../install/upgrade.md#install-upgrade).