# IPP v2.2.0

Release Date: August 2021

The release notes for version v2.2 detail the key changes to software components for the Illumina Preset Protocols since version 2.0.

This optional update is for customers interested in any instrument integration package requiring this release or the new workflows available with this release.

## Compatibility

The Illumina Preset Protocols (IPP) v2.2.0 requires:

* Clarity LIMS v5.1 through v5.x
* NGS Extensions package v5.20.3 or later
* SecretUtil v1.0.1 or later

## New Features

Updates were made to:

* NextSeq 1000/2000 v2.0 workflow by adding:
  * new validation rule to set maximum Run Name UDF string length to 255 characters
  * new GenerateFASTQ setting UDFs to support multiple DRAGEN versions including the latest Dragen v3.7.4 and 3.8.4
  * new automation script to retrieve the available DRAGEN versions
* NovaSeq 6000 v3.2 workflow to fix the issue listed in the Defect

The following workflows have been added:

* Illumina Genomics Architecture (IGA) Library Prep Automated v1.0
* Illumina Genomics Architecture (IGA) NovaSeq Sequencing v1.0

## Defect Repairs

* The Calculate Volume script in both NovaSeq and NextSeq 1000/2000 workflows now only displays one decimal place in the generated result CSV file.
* The Validate Run Setup and Create Planned Run automation script in the NextSeq 1000/2000 workflow now supports a valid OverrideCycle UDF input.
* The result discrepancy reported when the Calculate Volume script is triggered more than once in NovaSeq workflow is now resolved.

## Known Issues

NextSeq 1000/2000 v2.0 workflow:

* Sample Names can only contain alphanumeric, dash, and underscore characters. Refer to Validation & Troubleshooting Guide for more details.