Altium Designer 15.0 delivers a number of system and performance-related enhancements, including:
The drawing speed of large schematics has been improved, by caching bounding rectangles and clipping graphical objects which don't fit the current view port.
The speed of teardrop removal has been improved.
On densely wired schematics, placing a wire with the Break Wires at Autojunction option enabled has been optimized, with marked improvement in speed.
Schematic dragging has been further developed to improve wire/bus bending and reduce the likelihood of a netlist change.
Improved performance of selection and zooming in Schematic.
The path tracing routines used for creating a polygon from selected primitives have been improved, to better handle small objects and multiple paths.
The time to open the PCB Editor's Object Class Explorer dialog has been substantially reduced, particularly on designs with a large number of classes. Class membership is now only loaded and displayed when the class is selected.
The speed of updating from libraries or a database has been improved for designs that include variants using alternate parts.
Improved speed of project compilation.
Support for high DPI screens using oversized fonts has been reviewed and improved.
Small improvements to the resources indicator, to only show information about memory, handles, and atoms, if the "safe" level (60% resource usage) is exceeded.
The Extensions & Updates view has been given a slight facelift. Aside from cosmetic changes that enhance its readability, it also benefits from the following usability improvements:
Separate Purchased but not installed options for the Software Extensions and Hardware Devices sections of the Purchased page.
Filter search functionality for quickly locating an extension within a section. Simply start typing the name of the extension you seek, and dynamic filtering will reduce the list within the section accordingly.
Ability to install (or remove) all extensions in a section (Software Extensions, Hardware Devices). Simply click the relevant control to the right of the section's name.
Note that all extensions in a section will be installed/removed, irrespective of whether a current search filter has reduced the displayed list to only a subset of the extensions in that section.