# NextSeq 500/550 v2.0.0

* **Updated configurable SampleSheet generation:** SampleSheet generation is now done using the updated **Template File Generator** tool, which enables updates of the provided template for SampleSheet generation in order to add additional headers and columns.
  * Template provided with accompanying configuration generates the BCL2Fastq SampleSheet with reverse complement.
  * When a new custom template is created, it can be uploaded using the Template File Management feature introduced in BaseSpace Clarity LIMS 5.1.
* **New delivery mechanism for NextSeq 2.0 Integration workflow configuration NextSeq 500/550 Workflow configuration** now delivered using a robust, **Preconfigured Workflow Package** installer.
  * Install history is recorded with version and install date information for better tracking and troubleshooting of installation.
* **Simplified Library Prep step for validation:** Single step mock library prep protocol included with configuration to facilitate quick validation of installed NextSeq 2.0 Sequencing Protocol.
* **Bugs resolved in this release:**
  * Updated the Sequencing Interops Metrics parser to record more accurate metrics using the same parsing libraries as the instrument and SAV.
  * Resolved issue Sequencing Step summary table with incorrect metrics calculated, by using the same parser as instrument.
  * Fixes of various internal automated test issues including smoketests.