People are not able to access particularly this issue: Sample services don't support CORS, which makes JS clients hard to consume · Issue #29 · OData/ODataSamples · GitHub since today.
The above issue is linked from v4.ODataModel evaluates preflight requests · Issue #3150 · SAP/openui5 · GitHub
unfortunately I am not able to see the issue OData/ODataSamples#29. I get a code 500 response (only for this issue).
I’m not able to access the issue either.