Not only that. If they wanted to add form support they should have read the specs, instead of blindly relying on their (very questionable) telemetry. The fact

Not only that. If they wanted to add form support they should have read the specs, instead of blindly relying on their (very questionable) telemetry. The fact they had to find via telemetry something that every developer who had interacted with a PDF with forms knew (that they have JS) is very worrying. I'm expecting a long long list of bug reports when they start finding the mountains of corner cases not shown by their "telemetry".