Meanings of supposedly new in English

The 384 supposedly new insects are still undescribed, with a few possible exceptions.

Or that the supposedly new dance craze they've invented is suspiciously similar to The Bangles Walk Like an Egyptian?

Near-by, where they had been torn off in haste and flung aside, were the paper wrappings of four other tires, supposedly new.

And that's when Thatcher and Reagan came on stage with these supposedly new ideas that had in fact been developed over 30 years.

While some funeral businesses emphasise supposedly new trends such as planning and paying in advance, the majority of funeral directors see no such changes.

Musicians have plundered the legacy left by everyone from The Beatles to The Jam, then passed it off as something supposedly new and interesting.

There have been many other incidents; in one, Trending Topics highlighted a supposedly new iPhone soon to be released, which had literally "magic" features.