Hi,
Well, you may use that fix as an official release of the product on your production server.
For your information, we normally release official releases of the product (Aspose.Cells for .NET) once in a month. You can expect the next official release of the product before the end of next month.
This fix contains all the full fledged features/functionality of v7.3.4 (official release release) till current fix. It will always behave like an official release. It is an intermediate kind of version which is provided as a fix against some bugs and new features/enhancements. Normally, a fix is posted in the support forums for our clients who could not wait for our official release.
And, our next upcoming official release will include that fix too.
Thank you.