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SarahKennedySarahKennedy 

Major Spring 20 LWC issues

WIth Spring 20 all of a sudden I am having issues I didn't with Winter 20:
- standard Javascript to add to an object doesn't work:
    obj.newfield = "2"   or obj["newfield"] = "2"
- the lightning-combobox that we're supposed to use, as LWC doesn't have a selectlist, is throwing errors.

Why are these things happening now?