Merge pull request #8693 from ISISComputingGroup/dg645

dg645

Author: Tom-Willemsen

release_notes/ReleaseNotes_25.8.0.md

@@ -34,6 +34,7 @@ See [here](https://github.com/ISISComputingGroup/IBEX/wiki#instrument-informatio
 | [#8673](https://github.com/ISISComputingGroup/IBEX/issues/8673) | Patch | TC/Beckhoff | Make poll rate configurable |
 | [#8660](https://github.com/ISISComputingGroup/IBEX/issues/8660) | Patch | HV Caen | Increase number of available channels to 16 cards x 24 channels. |
 | [#8682](https://github.com/ISISComputingGroup/IBEX/issues/8682) | Patch | ISISDAE IOC | Add string-formatted run duration and period run duration PVs. |
+| [#8682](https://github.com/ISISComputingGroup/IBEX/issues/8692) | Patch | DG645 | Limit OPI (user interface) graph update to 1Hz, to avoid excessive CPU usage. |
 
 ### Reflectometry IOC