Below is the list of defects resolved with Qlik Sense April 2020 Patch 15. For more information, please see the attached Release Notes.
Environment: Qlik Sense Enterprise on Windows April 2020 Patch 15
Optimized memory management during user synchronizations
Jira issue ID: QB-3907
Description: The Repository service now consumes less memory during user synchronization. Previously such synchronizations could cause a large temporary increase in the size of the repository process in large installations of Qlik Sense.
Write search indexes to temporary local storage
Jira issue ID: QB-2589
Description: During certain network conditions, writing the search index files to the central application storage might fail. Now, with engine setting "CacheSearchIndexBeforeCopy=1", search index files are written to local storage and when completed copied to its correct destination.