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Regalia Slots API

Flexible and expandable accessory/equipment API. Add extra equipment slots (rings, amulets, and more) to Minecraft in a compatible, user-configurable way — fork of Curios API by TheIllusiveC4.
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Regalia Slots API (0.0.0-beta.13)

File nameregalia_slots_api-1.21.1-neoforge-21.1.249-0.0.0-beta.13.jar
Uploader
LlaGuiT0LlaGuiT0
Uploaded
Sep 3, 2026
Downloads
88
Size
488.6 KB
Mod Loaders
NeoForge
File ID
8803097
Type
B
Beta
Supported game versions
  • 1.21.1

Curse Maven Snippet

NeoForge

implementation "curse.maven:regalia-slots-api-1659506:8803097"

Learn more about Curse Maven

What's new

v0.0.0-beta.13 - Third-party curios can be equipped again

Thirteenth beta of Regalia Slots API for Minecraft 1.21.1 / NeoForge 21.1.249 (Java 21). Fixes curio slots rejecting every item from every Curios-integrated mod; any pack using Regalia as its Curios replacement should update.

Fixed

  • No curio could be equipped into any slot, for any mod. The default slot validator regalia_slots_api:tag only accepted items in the #regalia_slots_api:<slotId> or #regalia_slots_api:curio item tags. Mods that ship Curios integration (Iron's Spellbooks, Reliquary, Relics, Jewelry, Equivalent Legacy, …) tag their wearables under the curios: namespace instead (data/curios/tags/item/<slotId>.json). Regalia already read those mods' curios/slots and curios/entities files, so the slots showed up in the GUI and were granted to the player — but every item was silently bounced back on drop because the validator's own tags were always empty.

Technical

  • RegaliaSlotsApiImplMixinHooks: the built-in regalia_slots_api:tag predicate now also tests #curios:<slotId> and #curios:curio. The generic curio-slot fallback in isStackValid likewise now accepts item tags in the curios namespace, not just regalia_slots_api.
  • Brings the 1.21.1 branch in line with 26.2, where RegaliaCompatMod#overrideTagPredicate already widened the same predicate.

Notes

Regalia Slots API is a library. It adds no content on its own — install it only as a dependency of another mod that requires it, on both client and server. Incompatible with the real Curios mod (shared curios mod id); install one or the other. LGPL-3.0-or-later; the full licence text ships in the jar.

JAR: regalia_slots_api-1.21.1-neoforge-21.1.249-0.0.0-beta.13.jar

Tag: 1.21.1-neoforge-0.0.0-beta.13

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