What did they lie about? So far they have made no decisions contrary to their testimony. They have been fairly conservative in opinions although they are making many supporters unhappy because they wanted more judicial activism (overturning legislation conservatives disliked).
All nominees lie about not having opinions about current issues, but that opinion does not determine their ruling on individual cases which are about specific narrow issues and not big questions.
What decision(s) did they lie about? They have not ruled on abortion, yet. Those may not come until June. They allowed abortion providers in Texas to continue to sue in federal court. You seem to be anticipating decisions which have not occurred (or I am not aware of the decisions you are referring to).
They all said they honor stare decisions and could be relied upon to do the legal thing. That was not true. They were installed to overthrow Roe and they said they would to the Federalists and right-wing senators. The reason they were asked about whether they accept stare decisions is about Roe. They lied.