The 2016 release of SQL Server Integration Services is a major revision of the software. But, instead of being a complete re-write of the product, it's more an evolution of the product. Here is the SSIS timeline since its beginning in SQL Server 7.0 (1998):
In the early years of SQL Server, Microsoft introduced a tool to help developers and database administrator (DBA) to interact with the data: Data Transformation Services (DTS). The tool was very primitive compared to SSIS and it mostly relied on ActiveX and T-SQL to transform the data. SSIS V1.0 (2005) appeared in 2005. The tool was a game changer in the ETL world at the time. It was a professional and (pretty much) reliable tool for 2005. 2008/2008 R2 versions were much the same as 2005 in the sense that they didn't add much functionality, but they made the tool more scalable.
In 2012, Microsoft enhanced...