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This improvement includes SQL Server 2017 online update by using the new CAB files. The new CAB files have the following fixes for the R/Python runtime features:

  • Fixes the bug where sp_execute_external_script executing a python script sometimes loses data when returning varbinary or binary data type back to SQL in the form of an OutputDataSet. With this update, the data loss is eliminated completely.

  • Fixes the bug where sp_execute_external_script executing an R script shows the following warning message. After you apply this update, the warning message is no longer seen.

    STDERR message(s) from external script:

    During startup - Warning message:

    In setJsonDatabasePath(system.file("extdata/capabilities.json",  :

    bytecode version mismatch; using eval


This improvement is included in the following cumulative updates for SQL Server:

About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:


Learn about the terminology that Microsoft uses to describe software updates.

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