Sometimes a new addition breaks functionality or feel incomplete. The large number of features are released sometimes withtout an extensive feature and regression testing.

Review collected by and hosted on G2.com. Ability to open older and newer PCB and SCH files (without the lock-in most mechanical CAD programs have). Several well working import options (e.g. Online community with chance to raise bugs and feature requests Schematic to PCB cross reference with real time multi channel design complilation Generation of PDF documents containing information about component properties and text search capability Multi board interconnectivity helps with verification of complex designs Modern UI with complete configuration options (including a smaller toolbar for quick mouse access) Large online library, components can also be downloaded and edited locally Integrated CAM viewer and editor with reverse engineering capability Some features are designed to speed up the design process, such as object query language with selection and masking mode, object property editor, IPC footprint generator, automated via shielding, single ended and differential calculator based on PCB characteristics, automated output documentation generator, design reuse and sheet repetition, physical annotation, custom part pad shapes, just to name a few It contains a broad range of tools, and new features are added regularly Altium Designer is one of the most complete electronic CAD/CAM software packages.

Hierarchical schematic design in altium