> For the complete documentation index, see [llms.txt](https://help.basespace.illumina.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.basespace.illumina.com/releases/previous-releases/2017/4.16.0.md).

# 4.16.0

### January 31, 2017 - 4.16 - Performance Improvements and FASTQ Generation Updates

* Features:
  * Significant back-end database changes to support scaling for future growth
* Bugs Fixed:
  * Fixed issue with trash size sum not updating after items were restored or emptied
  * Fixed issue with being able to delete projects and their samples at the same time, causing issues with emptying trash
  * Fixed issue with file count not updating on run details page after a files-only delete of the run

\###Release 4.16.1 - January 31, 2017

* Bugs Fixed:
  * Fixed issue with high database CPU usage

\###Release 4.16.2 - February 1, 2017

* Bugs Fixed:
  * Fixed issue with Indexing QC information not appearing after a run

\###Release 4.16.3 - February 2, 2017

* Bugs Fixed:
  * Performance fix for run uploads impacting server responsiveness
* FASTQ Generation Updated:
  * Updated bcl2fastq to 2.18
  * Support for Universal Molecular Indicators (UMIs) addition to FASTQ files when used with the SureCell WTA 3' library prep kit
  * Improved app stability by eliminating several bugs causing rare failures
  * Fixed an issue causing BaseSpace Sequence Hub Indexing QC Metrics page to display index 1 and index 2 in the same column, rather than in separate columns as expected
  * Fixed an issue with read numbering in the ConversionStats.xml output file