The following changes were made in an earlier update (2021.1.1):

Removed an extra period ('.') that was output before the file extension when posting.

Fixed an issue with inside turning profile finishing toolpaths where the lead out was not being created if it was extending beyond the clearance radius.

Fixed an issue with turning profile finishing with multiple passes and direction set to both ways where the leads were incorrect.

Fixed an issue with turning profile finishing where it was not cutting material in an axial groove as expected.

Fixed an issue generating certain turning profile finishing toolpaths with a negative stock to leave.

Fixed an issue with certain turning profile finishing toolpaths not generating correctly when a negative stock to leave was specified.

Fixed an issue with certain turning profile finishing toolpaths that were incorrectly generated if leads were not specified.

Fixed an issue with certain turning profile roughing toolpaths working on the face of the part that were gouging instead of returning an empty toolpath.

Fixed an issue with turning profile roughing canned cycles with tangential extensions where the first point in the canned cycle profile was incorrect.

Fixed an issue with turning profile roughing operations where the first pass was shallower than the other passes.

Fixed a crash which could occur when using WCS Probe operations.

Fixed an issue in which order-by tool was not working when using multiple work offsets.

Fixed an issue in which multiple work offsets were not working for posting or simulation.

Installation WHAT’S NEW The following changes have been made in the current hotfix (2021.1.2): This document covers both Inventor CAM products: Currently this application because Nqssh performance in various industries including automotive, mold design, design of industrial parts and more widely used.Autodesk® Inventor CAM™ 2021.1.2 Release Notes

HSM stands for High Speed Machining means high-speed machining. Using Autodesk Inventor HSM Pro all the advantages of toolpath (cut) models 2.5D, 3D, 3 + 2, and 5-axis to achieve better performance at your fingertips.

Inventor cam ultimate 2021