ModernUO Emulator
* Fixes an edge case where a check to see if a timer was being executed resulted in it not being properly detached on stop. Fixed this by changing how we determine what timer is currently being executed. * Adds execution count to #DEBUG_TIMERS so shards can get notified (rudimentarily for now) about sequentially executing long chains of timers. Unfortunately, for now, there is no good option when it comes to executing timers. If we execute let's say 500, and defer the rest, that makes all timers effectively 8ms off until it "catches up". Depending on the shard, that may never happen. |
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| .config | ||
| .github | ||
| Distribution/Data | ||
| docs | ||
| Projects | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
| azure-pipelines.yml | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| Directory.Build.props | ||
| FAQ.md | ||
| global.json | ||
| LICENSE | ||
| mkdocs.yml | ||
| ModernUO.sln | ||
| publish.cmd | ||
| publish.sh | ||
| README.md | ||
| rider-settings.zip | ||
| Rules.ruleset | ||
| RUNUO_TO_MODERNUO.md | ||
| SPONSORS.md | ||
| stylecop.json | ||
| THIRD-PARTY-NOTICES | ||
| version.json | ||
ModernUO

Ultima Online Server Emulator for the modern era!
Requirements
Supported Operating Systems
Running the server
Development
Supported IDEs
Rider 2022.2.2+ Visual Studio 2022+
Note: VS Code is not currently supported.
Getting Started
- Install prerequisite requirements
- Clone this repository (or download the latest):
git clone https://github.com/modernuo/ModernUO.git
- Open
ModernUO.slnto start developing
Building/Publishing
- Run
./publish.cmd [release|debug (default: release)] [os]os- Supported operating systemswin- Windows 10/11/2016/2019/2022osx- MacOS 10.15/11.0+/12.0+ (Catalina, Big Sur, Monterey)ubuntu.16.04,ubuntu.18.04ubuntu.20.04- Ubuntu LTSlinuxmint.17,linuxmint.18,linuxmint.19- Linux Mintdebian.10,debian.11- Debiancentos.7,centos.8- CentOSfedora.32,fedora.33,fedora.34,fedora.35,fedora.36- Fedorarhel.7,rhel.8- Redhatlinux- Other linux distros- If blank, the operating system running the build is used. Linux Mint 20 is not supported directly yet, so build explicitly against
ubuntu.20.04instead.
Running the Server
- Follow the publish instructions
- Run
ModernUO.exeordotnet ModernUO.dllfrom theDistributiondirectory on the server
Note: If you are running a version of linux that isn't listed above, then you may have to install the following using a package manager:
libargon2-dev,libz-dev, andzstd
Troubleshooting / FAQ
- See FAQ
Want to sponsor?
Thank you for supporting us! You can find out how by visiting the sponsors page.
Collaborators
Thanks
- RunUO Team & Community
- Voxpire, the ServUO Team & Community
- Karasho, Jaedan and the ClassicUO Community
