I’m also affected by this; specifically, I’m unable to automatically record only new airings of “This Old House” and “Ask This Old House” because they’re not tagged as new. Some of us reported a similar (the same?) issue with the “This Old House” shows last Spring, for the old provider. @sa2000 was able to work with them to eventually tag new airings:
Perhaps the old provider found a workaround or was able to source the new status in some other manner? For now, I just manually select the new airings to record, when I can remember to
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For completeness sake, my local PBS station is SCETV or UNCTV (ZIP 29615).