• The default font has been changed to the Roboto font, which will be used whenever any designated fonts are missing when opening a data display file.
  
• Added group editing capability for multiple Descriptions of different types. For more information, refer Editing Descriptions.
  
• The display of information in the Show Hierarchy windows has been improved:
  

• Updated the de_dds_print_all_pages_to_pdf() AEL function to optionally allow resizing the view to print all objects to the PDF page.
  
• (Beta Release) The DDS Python 'app' module is available to support APIs to be used with Data-Display Window. Additional new capabilities have been added to DDS Python APIs, with key functionalities summarized as below:
  

• The default font has been changed to the Roboto font, which is now used whenever any designated fonts are missing when opening a design. Saving a design preserves any references to the missing fonts until a user explicitly changes the font selection. The Check Design command reports a warning if the design of interest has any missing fonts.
  
• Updated OpenAccess to 22.61.
  
• Introducing the first production release of the Design Environment Python module that is available to support APIs for accessing ADS workspaces, manipulating objects in a design/cell, customizing user interface, automating tasks in a workflow involving design capture and simulation.
  

• Provided Python APIs for Design Cloud job submission via Python Console in ADS.
  
• A new checkbox allows users to disable threading when running simulations on the Local Queue.
  

• The trace-specific clearance rules (TRACE-TRACE and TRACE-PLANE) defined in the Constraints Manager will also be applied to the path and the OA path objects during the trace avoidance routing operation.
  
• Updated plane smoothing algorithm used to remove small features and corners from ground plane shapes. This avoids cases where plane smoothing would previously create sharp corners and small divots. The acute angle input for plane smoothing was removed. All acute angles of the plane shape will now be affected.
  
• Added Keep Nets from Schematic/Layout option to layout's Generate Schematic dialog and schematic's Generate Layout dialog. This is the same setting that is shown in the Design Differences window. More info on this setting can be found here.
  
• Added Component Net Mismatches section to Design Differences to report net mismatches between individual components on the layout and schematic. This section is the same Net Mismatches section that showed in layout's Design Differences in ADS 2024 U1 and previous versions. More info can be found here.
  
• Added a new workspace preference, Pcb Via arc resolution (degrees), to control the arc resolution on both the catch pads and the drill hole of PCB Vias during the design flattening operation. Also, a new AEL function has been added to specify this new workspace preference - de_set_pcb_via_arc_resolution.
  
• The Via/Pad Parameters, such as top layer, bottom layer, drill layers, etc., are displayed and editable in the Properties window. Moreover, multiple vias and pads can be edited in the Properties window simultaneously. For more information, refer here.
  
• Added the wildcard search/match capability for Nets and Layers in the Constraint Manager.
  
• Added new AEL functions:
  

• The Keepout objects are now supported in ABL import and export.
  
• The deprecated pre-production layout editor/viewer, previously available under Gerber, DXF, ODB++ translators, has been removed from the product. Use third-party solutions to view external layout formats.
  

• Automation mode is a mechanism to execute ADS functionality without running the ADS executable. When a PDK or library is opened from a Python script, no UI is available. We call this "automation mode." When a PDK or library is used in automation mode, the PDK or library cannot invoke any UI code. Any code that uses dialog boxes or menus cannot be executed in automation mode. In ADS2024 Update 2 and earlier, the Python function keysight.ads.de.running_automation() or the AEL function running_automation() can be used to determine the mode the PDK or library is executing in. In ADS2025, the Python function keysight.ads.de.is_pde_app() or the AEL function is_pde_app() should be used in place of running_automation(). Using these functions will ensure UI is displayed only when ADS is running in non-automation (standard UI) mode and so will not block the automation script from running.
  
• QFN Designer PDK's Material Database has been updated with material's thermal properties.
  

• Far Field can now be computed for encrypted layout components when using FEM and Momentum.
  
• When running PEPro/RFPro Momentum simulations, the far field is now computed during the frequency sweep instead of during post-processing.
  
• Far field can now be computed without the need to store the near field.
  

• The Power Electronics Model Builder (PEMB) supports GaN model extraction. This feature enables users to construct a GaN model based on the datasheet specifications.
  
• Introducing the Curve Digitizer tool for easy data extraction from IV and CV Description images for Power Electronics Model Builder (PEMB) use.
  

• The far field can be computed without the need to store the near field. And it can be computed even in case an encrypted substrate or encrypted 3D component is part of the analysis.
  
• RFPro-FEM advanced simulator setup
  

• Previous simulation results are reused by default when possible. A new simulator option allows to disable 'reuse'.
  
• The simulation list in the Simulations window can now be filtered and/or sorted.
  
• The DC stability of the near field visualization with a user-defined or circuit excitation has been improved.
  
• Mesh and field visualization are now supported when simulating with MDO on.
  
• The Python version has been upgraded from Python 3.10 to 3.12. Most existing Python scripts will continue to run without modification.
  

• Given that the 'Delta Gap' feed type embeds (extends) the DUT and that this extension is not de-embedded, the extension will now be visible in the mesh and the near field visualization. The current flowing on the extension is taken into account in the far field computation.
  
• The modeling approach of 'damage-k' in advanced IC process nodes has been enhanced to capture its capacitive effect more accurately.
  
• The far field is now computed during the frequency sweep instead of during post-processing.
  

• EMPro Python version was updated to 3.12.
  
• Added support for package solder ball in AC/SI/DDR/CEMI
  

• Added support for directly importing Backdrill information from ODB++ and IPC-2581 to SIPro/PIPro
  
• Added support for creating a script for layout in SIPro/PIPro. You can now save virtual pin, backdrill via and solder ball settings in the script.
  
• Added the "Touchstone 1" and "Touchstone 2" options to the S-parameter export dialog and equivalent options to the EMPro Python API
  

• Crosstalk analyzer for Memory Designer and Chiplet PHY Designer workflows
  
• IBIS pin cloning capability for Controller/Memory in Memory Designer
  
• Supports GDDR7 in Memory Designer
  
• Supports QDR (Quarter-Rate Clock) for Chiplet PHY Designer
  
• Supports Bus Designer for Chiplet PHY Designer
  
• Chiplet PHY AMI model builder
  
• New, unified, and consolidated Memory Interface Simulator
  
• Unified and consolidated Chiplet PHY Simulator
  

• Complete PCIe Compliance workflow in PCIe Designer.
  
• HTML report generation for FoM (Figure of Merit) Compliance in S-parameter Toolkit
  
• SeaSim support on Linux
  

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