home/categories/cms-platforms/impropersubset-hh-agentics-fvtt-dev-skills-fvtt-version-compat-skill-md
cms-platformsdevelopment
fvtt-version-compat
This skill should be used when importing Foundry classes, registering sheets, loading templates, enriching HTML, or using any Foundry API that has moved to namespaces. Covers compat wrappers, deferred sheet registration, and the modern-first fallback pattern.
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ImproperSubset
Updated 1/15/2026
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quick start
Installation and usage
This skill should be used when importing Foundry classes, registering sheets, loading templates, enriching HTML, or using any Foundry API that has moved to namespaces. Covers compat wrappers, deferred sheet registration, and the modern-first fallback pattern.
Installation
$ install --globalskills.sh
Usage
Once installed, you can use this skill by running the following command in your terminal:
skills use fvtt-version-compat