Known Issues and Limitations
This page lists known issues and limitations. You can use this page to check current behavior, workarounds, and planned fixes. This section is live and will get constant updates so you can follow the known issue status directly.
Live Issues
PENDING DISTRIBUTIONThis issue has been fixed and is included in upcoming distribution.Restarting Reality Hub service does not start CII server automatically.
Reality 5.7 fix2
| Product | File Name | Build Date |
|---|---|---|
| Reality 5 | Setup-Reality-v5.7.fix2.b1251.iso | June 12, 2026 |
| Reality Hub | Setup-RealityHub-2.1.2.b230.exe | June 12, 2026 |
important note for rest api users
If you are upgrading from an earlier version to Reality 5.7 fix2, this change will affect existing REST API calls that retrieve Unreal Actor properties through the Nodegraph.
Please read the Additional Notes section of the REST API page for further details.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.APM cannot display incoming video after an engine relaunch.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.DeckLink Studio 4K input channel options are not detected correctly.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Engine Control REST returns success but does not apply function parameter updates.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Custom FBX does not load as Cyclorama mesh.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Spawning the same UMG widget class a second time fails to generate fresh pins.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Actions Timeline property values appear locked after keyframe change.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.HLG black levels are shifted up when outputting SDI video.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Unloading a streamed level may hang Unreal Engine.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Engine Control PATCH returns success for invalid node or property paths.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Engine PATCH returns false 404 when Nodegraph updates are valid.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.REST API does not load dynamic Unreal Engine nodes.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Shared folder scan does not clean up after finish or cancellation.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Launcher UI becomes blank or unresponsive with large graphs across Shows.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Connected input pins still appear editable in Nodegraph.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix2 distribution.Telemetrics elevation axis has low resolution and stutters.
Reality 5.7 fix1
| Product | File Name | Build Date |
|---|---|---|
| Reality 5 | Setup-Reality-v5.7.fix1.b1203.iso | Mar 10, 2026 |
| Reality Hub | Setup-RealityHub-2.1.1.b215.exe | Mar 2, 2026 |
Issues addressed in this distribution:
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Various metrics (e.g., %, °C) lack units in the Hardware Monitor module.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Hardware Monitor incorrectly flags AJA Corvid 44 cards as an Unsupported Video I/O Device.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Engine is shown as offline in the toolbar when it is not assigned to a Show.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Activating the Advanced Preview Monitor (APM) randomly fails.
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Enabling Advanced Preview Monitor when using SSL crashes Engine connection
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Enabling Wireframe in a Custom Cyclorama causes a crash.
FIXEDThis issue originates from Unreal Engine and they resolved it with their 5.7.3 Hotfix distribution. The fix is also included in our Reality 5.7 fix1 distribution.Text 3D viewport render fails
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.REST API Key creation fails on Clean Installation
FIXEDThis issue has been fixed, and the fix is included in our Reality 5.7 fix1 distribution.Adding color properties to Actions Timeline causes Reality Hub interface to crash.