##  [Ansys Discovery - Previous releases](/docs/discovery/previous) 

###### **Discovery Extensibility Guide**

Discovery add-ins can be as simple as a new file menu entry or ribbon button or as complex as a custom stage and tree.

[2025 R2](https://developer.ansys.com/docs/discovery-extensibility-and-add-ins-developer-guide-2025-r2/UDA/add_api/introduction/topics/disco_api_intro.md)

[2025 R1](https://developer.ansys.com/docs/discovery-extensibility-and-add-ins-developer-guide-2025-r1/UDA/add_api/introduction/topics/disco_api_intro.md)

[2024 R2](https://developer.ansys.com/docs/discovery-extensibility-and-add-ins-developer-guide-2024-r2/UDA/add_api/introduction/topics/disco_api_intro.md)

[2024 R1 (PDF)](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2024R1/Discovery_Extensibility_and_Add-ins_Developer_Guide.pdf)

[2023 R2 (PDF)](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2023R2/Discovery_Extensibility_and_Add-ins_Developer_Guide.pdf)





 

 



 

 

 



## Other resources

###### **Discovery Style Guide**

This document provides guidelines for colors, themes, typography and icons.

[2025 R2](https://developer.ansys.com/docs/discovery-style-guide-2025-r2/introduction.md)

[2025 R1](https://developer.ansys.com/docs/discovery-style-guide-2025-r1/introduction.md)

[2024 R2](https://developer.ansys.com/docs/discovery-style-guide-2024-r2/introduction.md)

[2024 R1 (PDF)](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2024R1/Discovery%20Style%20Guide.pdf)

[2023 R2 (PDF)](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2023R2/Discovery%20Style%20Guide.pdf)





 

 



###### **Discovery Quick Reference for Tool Usage**

This short document provides guidance for tool usage and workflows in Discovery.

[2025 R2](https://developer.ansys.com/docs/discovery-quick-reference-for-tool-usage-2025-r2/introduction.md)

[2025 R1](https://developer.ansys.com/docs/discovery-quick-reference-for-tool-usage-2025-r1/introduction.md)

[2024 R2](https://developer.ansys.com/docs/discovery-quick-reference-for-tool-usage-2024-r2/introduction.md)

[2024 R1 (PDF)](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2024R1/Discovery%20Quick%20Reference%20for%20Tool%20Usage.pdf)

[2023 R2 (PDF)](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2023R2/Discovery%20Quick%20Reference%20for%20Tool%20Usage.pdf)





 

 



###### **Ansys Design Language Color Palettes** (Excel - download only)

This spreadsheet gives detailed information on Ansys Design Languages UI control colors, theme colors, icon colors, etc.

[2025 R2](https://github.com/ansys/DevRelPublic/raw/main/Downloads/Discovery/2025R2/Ansys%20Design%20Language%20Color%20Palettes%20-%20Discovery.xlsx)

[2025 R1](https://github.com/ansys/DevRelPublic/raw/main/Downloads/Discovery/2025R1/Ansys%20Design%20Language%20Color%20Palettes%20-%20Discovery.xlsx)

[2024 R2](https://github.com/ansys/DevRelPublic/raw/main/Downloads/Discovery/2024R2/Ansys%20Design%20Language%20Color%20Palettes%20-%20Discovery.xlsx)

[2024 R1](https://github.com/ansys/DevRelPublic/raw/main/Downloads/Discovery/2024R1/Ansys%20Design%20Language%20Color%20Palettes.xlsx)

[2023 R2](https://github.com/ansys/DevRelPublic/raw/main/Downloads/Discovery/2023R2/Ansys%20Design%20Language%20Color%20Palettes.xlsx)





 

 



###### **Grid for Icon Design** (SVG)

This SVG file allows you to design an icon using a grid with preset dimensions.

[2025 R2](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2025R2/Grid%20for%20icon%20design.svg)

[2025 R1](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2025R1/Grid%20for%20icon%20design.svg)

[2024 R2](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2024R2/Grid%20for%20icon%20design.svg)

[2024 R1](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2024R1/Grid%20for%20icon%20design.svg)

[2023 R2](https://github.com/ansys/DevRelPublic/blob/main/Downloads/Discovery/2023R2/Grid%20for%20icon%20design.svg)