# Introducing EdSpec!

**URL:** <https://forum.castagneengine.com/t/introducing-edspec/90>\
**Category:** Castagne Updates\
**Tags:** castagne-progress\
**Created:** [March 31, 2026, 11:30am UTC](https://forum.castagneengine.com/t/introducing-edspec/90 "2026-03-31T11:30:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![panthavma](https://forum.castagneengine.com/user_avatar/forum.castagneengine.com/panthavma/32/7_2.png) [@panthavma](https://forum.castagneengine.com/u/panthavma)\
**Post date:** [March 31, 2026, 11:30am UTC](https://forum.castagneengine.com/t/introducing-edspec/90/1 "2026-03-31T11:30:00Z")

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Hey! So I’ve mentioned the EdSpec (which I’ve just renamed from ‘VarSpec’ if you’ve read the previous updates) system a few times, but what is it? Put simply, it’s **a refined version of Castagne’s Gizmo, SpecBlocks, and Custom Editors** , all put together as a single interface.

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This is a companion discussion topic for the original entry at [https://castagneengine.com/progress/2026-03-31/](https://castagneengine.com/progress/2026-03-31/)