Desmos API v1.8.3 released

[desmos-api-announce]

Desmos has released v1.8.3 of the API. You can find the relevant section of the changelog here.

This patch adds some accessibility improvements:

• Updates various accessibility-related markup and labels for improved compatibility with adaptive technologies.
• Adds a keyboard shortcut to toggle the visibility of the keypad: ALT+K on Windows or CTRL+K on Apple devices.

We are happy to help all of our partners upgrade to v1.8.3 in a timely fashion. Please email Chris Lusto (ch...@desmos.com) with any questions.