Not sure if VSCode or TSServer issue:
interface Test {
"alpha beta": string
}
const a : Test = {
"alpha beta": "test"
}
Put cursor inside beta of interface and rename with F2

Box to rename shows only beta - shall it show alpha beta ?
Rename to beta2
Result:

Should be alpha beta2
Most helpful comment
VSCode issue.
e.g. works fine in alm :rose: