Casilian StudiosCASILIANMODDING SCHOOL

WillowScript (.ws) is a proposed, not-yet-implemented language. Examples and library integrations here are illustrative design exercises, not verified runnable programs.

Compatibility and evolution

Build toward Extension compatibility portfolio. Each section combines a focused idea with tracing, adaptation, boundary checks and a small reviewable artifact.

Defend version compatibility, capability policy, and migration decisions

7 open practice lessons

Choose a lesson →

Defend version compatibility, capability policy, and migration decisions

8 open practice lessons

Choose a lesson →

Defend version compatibility, capability policy, and migration decisions

7 open practice lessons

Choose a lesson →

Defend version compatibility, capability policy, and migration decisions

8 open practice lessons

Choose a lesson →

Your practice, on this browser

No public account is created. Drafts and lesson progress stay in this browser’s local storage. They do not automatically follow you to another device and can be lost if browser storage is cleared.

Export a private progress file to keep a copy, then import it on another browser when you want to move your work. Treat that file as your own writing; it can contain your practice drafts.