Caelus is a small utility mod that abstracts the hardcoded vanilla elytra behavior into a more generic elytra flight attribute and exposes this to mod developers seeking to implement elytra flight for their own mods.
All modders have to do is call CaelusApi.getInstance().getFallFlyingAttribute() wherever they want to apply a modifier to the flight attribute. The attribute has a default value of 0, which forbids any elytra flight. Attribute values greater than or equal to 1 will enable elytra flight. The vanilla elytra item has also been changed to use this attribute, keeping its behavior the same as normal.
For more information on how to interact with the attribute, see the Minecraft wiki.
Adding to Your Project:
Add the following to your build.gradle file:
repositories {
maven {
name = 'C4's Maven'
url = "https://maven.theillusivec4.top/"
}
}
Forge
dependencies {
runtimeOnly "com.illusivesoulworks.caelus:caelus-forge:${version}"
compileOnly "com.illusivesoulworks.caelus:caelus-forge:${version}:api"
}
NeoForge
dependencies {
runtimeOnly "com.illusivesoulworks.caelus:caelus-neoforge:${version}"
compileOnly "com.illusivesoulworks.caelus:caelus-neoforge:${version}:api"
}
Replace ${version} with the version of Caelus that you want to use.
Support
Please report all bugs, issues, and feature requests to the issue tracker.
For non-technical support and questions, join the developer's Discord.
License
All source code and assets are licensed under LGPL-3.0-or-later.
Donations
Donations to the developer can be sent through Ko-fi.
Affiliates
All Versions
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Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/illusivesoulworks/caelus/blob/1.21.4/CHANGELOG.md).
## [8.0.1+1.21.4] - 2025.07.22
### Fixed
- Fixed glider damage hooks causing helmets to erroneously lose durability during flight
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/illusivesoulworks/caelus/blob/1.21.4/CHANGELOG.md).
## [8.0.0+1.21.4] - 2025.06.18
### Added
- [API] Added
GlidingDamageEvent - Added compatibility with any item that has the
minecraft:gliderdata component
- [API] Changed
RenderCapeEventto usePlayerRenderStateinstead ofPlayerdue to vanilla changes to rendering
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/illusivesoulworks/caelus/blob/1.21.x/CHANGELOG.md).
## [7.0.1+1.21.1] - 2024.09.05
### Added
- Added
es_cllocalization [#41](https://github.com/illusivesoulworks/caelus/pull/41)
- Updated to Minecraft 1.21.1
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/illusivesoulworks/caelus/blob/1.21.x/CHANGELOG.md).
## [7.0.1+1.21.1] - 2024.09.05
### Added
- Added
es_cllocalization [#41](https://github.com/illusivesoulworks/caelus/pull/41)
- Updated to Minecraft 1.21.1
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [7.0.0+1.21] - 2024.06.18
### Added
- [API] Added
CaelusApi#canFallFly(LivingEntity, boolean)
- [API] Moved package from
top.theillusivec4tocom.illusivesoulworks - [API] Renamed
CuriosApi#getFlightAttributetoCuriosApi#getFallFlyingAttribute
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [7.0.0+1.21] - 2024.06.18
### Added
- [API] Added
CaelusApi#canFallFly(LivingEntity, boolean)
- [API] Moved package from
top.theillusivec4tocom.illusivesoulworks - [API] Renamed
CuriosApi#getFlightAttributetoCuriosApi#getFallFlyingAttribute
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [6.0.0+1.20.6] - 2024.05.06
### Changed
- [API] Changed return of
CaelusApi#getFlightAttributetoHolder<Attribute> - Updated to Minecraft 1.20.6
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [6.0.0+1.20.6] - 2024.05.06
### Changed
- [API] Changed return of
CaelusApi#getFlightAttributetoHolder<Attribute> - Updated to Minecraft 1.20.6
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [5.1.0+1.20.4] - 2024.04.22
### Added
- Added
CaelusApi#canFallFly(LivingEntity)
- Refactored fall flying to account for three states instead of two for better mod compatibility
- Deprecated
CaelusApi#canFly(LivingEntity)
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [5.1.0+1.20.4] - 2024.04.22
### Added
- Added
CaelusApi#canFallFly(LivingEntity)
- Refactored fall flying to account for three states instead of two for better mod compatibility
- Deprecated
CaelusApi#canFly(LivingEntity)
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.x/docs/CHANGELOG.md).
## [3.2.0+1.20.1] - 2024.04.22
### Added
- Added
CaelusApi#canFallFly(LivingEntity)
- Refactored fall flying to account for three states instead of two for better mod compatibility
- Deprecated
CaelusApi#canFly(LivingEntity)
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [5.0.1+1.20.4] - 2024.03.04
### Changed
- Refactored networking [#39](https://github.com/TheIllusiveC4/Caelus/issues/39)
- [NeoForge] Requires NeoForge 20.4.167+
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [5.0.1+1.20.4] - 2024.03.04
### Changed
- Refactored networking [#39](https://github.com/TheIllusiveC4/Caelus/issues/39)
- [NeoForge] Requires NeoForge 20.4.167+
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [5.0.0+1.20.4] - 2023.12.19
### Added
- Added NeoForge version
- Updated to Minecraft 1.20.4
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.4/docs/CHANGELOG.md).
## [5.0.0+1.20.4] - 2023.12.19
### Added
- Added NeoForge version
- Updated to Minecraft 1.20.4
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.2/docs/CHANGELOG.md).
## [4.0.0+1.20.2] - 2023.10.19
### Changed
- Updated to Minecraft 1.20.2
Prior to version 3.1.0, this project used [Forge Recommended Versioning](https://mcforge.readthedocs.io/en/latest/conventions/versioning/).
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.20.x/docs/CHANGELOG.md).
## [3.1.0+1.20] - 2023.06.11
### Changed
- Updated to Minecraft 1.20
- Changed to Semantic Versioning
This is a copy of the changelog for the most recent version. For the full version history, go [here](https://github.com/TheIllusiveC4/Caelus/blob/1.19.4/docs/CHANGELOG.md).
## [1.19.4-3.0.0.10] - 2023.03.17
### Changed
- Updated to Minecraft 1.19.4
- Changed localization of attribute from "Elytra Flight" to "Fall Flying"
### Fixed
- Fixed Italian (it_it) localization
### Added
- Added Italian (it_it) localization (thanks WVam!) [#34](https://github.com/TheIllusiveC4/Caelus/pull/34)
