Altium Designer 16.1 is now available for download. You can install version 16.1.11 (build 255) from the Download section of the site and update system in Altium Designer (DXP >> Extensions and Updates).
This update dedicated to an unpleasant bug with arc duplication during routing. Besides that, it includes support for the latest version of the SOLIDWORKS format that might help with the performance of the big BGA STEP models.
Please note than Clean installation is required if your current version of Altium Designer is 16.0 or below.
Release Notes
#11409 Added support for the SOLIDWORKS 2016 parasolid file format.
#12701 Fixed a critical issue in the PCB Editor where arcs were being multiplied during interactive routing, or track modification (BC:6843).
#12625 Fixed an issue in the PCB Editor where the 3D Lock option was not being taken into account properly for rigid flex designs.
#12708 Fixed an issue of duplicated leasing of on-demand licenses, which was otherwise possible when the software startup time took more than 20 seconds.
#12525 Fixed an issue where 3D Body Height Rule checking was not considering the real height of a STEP model.
#12628 Fixed an issue where pads of components - with Alternate Parts in a defined Variant - were being incorrectly displayed in Draft mode on the generated assembly drawing.
#12522 Fixed an issue where special strings in footprints were not being correctly displayed as converted, after generating a footprint comparison report.
#11988 Fixed an issue where special symbols - in the User Name or PC Name - were causing a constant exception during PCB Collaboration (after connecting to an Altium Vault and opening a PCB file).
#12513 Fixed an issue with the incorrect rotation of the QFN and PQFN STEP models in the IPC Wizard (BC:6692).
