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ue5coro.md

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id ue5coro
name UE5Coro
url https://github.com/landelare/ue5coro
category tools
subcategories
unreal
library
license BSD-3-Clause-Clear
license_spdx BSD-3-Clause-Clear
commercial true
attribution_required false
formats
unreal-plugin
C++
tags
unreal-engine
coroutines
async
latent-actions
multithreading
gameplay-programming
added 2026-10-13
verified 2026-10-13
status active
maintenance archived

UE5Coro

C++20 coroutine support for Unreal Engine, built around gameplay code. Changing a function's return type to one of the plugin's coroutine types lets it co_await delays, ticks, async asset loads, delegates, timelines and thread switches, replacing chains of callbacks and timers with straight-line code. Latent UFUNCTIONs written this way appear as ordinary latent nodes in Blueprint. Licensed under the BSD 3-Clause Clear licence, which permits closed commercial use.

Notes

  • C++ only: coroutines are authored in C++; Blueprint sees the result as latent nodes, with the coroutine return type hidden from designers
  • Install from a numbered release, not a Git branch (the README says "Only numbered releases are supported"); extract into Plugins/UE5Coro without the version suffix, then reference the UE5Coro module in Build.cs; optional modules such as UE5CoroGAS add Gameplay Ability System support
  • Requires C++20, which the README says is standard "in new projects made in Unreal Engine 5.3 or later"; older projects must switch Target.cs to the latest build settings and include order
  • No supported UE5 version range is stated in the README or .uplugin, so none is recorded here; a separate -ue4 release targets Unreal Engine 4.27.2 and is marked unsupported by the author
  • The v2.3.2 release notes warn that builds made with LLVM 22 are unstable and that Clang "remains unsupported"; check this before building for Clang-based platforms
  • BSD-3-Clause-Clear is BSD 3-Clause plus an explicit statement that no patent licence is granted; binary redistribution must reproduce the copyright notice and disclaimer in documentation, so add it to your third-party credits
  • Permissive, so compatible with the Unreal Engine EULA, which forbids combining engine code with copyleft licences such as GPL and LGPL
  • Maintenance: GitHub API (2026-10-13) reports the repository not archived, last push 2026-07-19; latest release v2.3.2 (2026-07-19)
  • Maintenance: the repository was archived after a final push on 2026-10-16, per the GitHub API on 2026-10-22. The README now says "UE5Coro is complete, with no known bugs at the time of archival. Unreal Engine 5 has reached the end of its lifecycle, and this plugin with it." The licence file is unchanged (API still reports BSD-3-Clause-Clear); releases stay downloadable, but expect no fixes for newer engine versions

Evidence

  • COPYING in the repository, master branch (2026-10-13): "Copyright © Laura Andelare All rights reserved."
  • Same file (2026-10-13): "Redistribution and use in source and binary forms, with or without modification, are permitted (subject to the limitations in the disclaimer below)"
  • Same file (2026-10-13): "NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE."
  • GitHub API repository licence field (2026-10-13): BSD-3-Clause-Clear

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