Despite newer versions (2020, 2021, 2022, etc.) being available, SolidWorks 2019 SP5.0 remains a popular choice for legacy users for several reasons:
Tools like Costing for real-time estimates and TolAnalyst for stack-up analysis. What’s New in SP5.0?
As the "End of Life" release for the 2019 series, SP5.0 includes several final support markers: Final Support for Explorer : This is the last release to support SOLIDWORKS Explorer