What are some signs that a therapist may have poor boundaries with their clients?

Session-expressed curiosities about client details not relevant to the therapy.

Off the top of my ancient head:

Failing to mention the client in supervision/consultation, out of fear the supervisor/consultant will advise return to ordinary healthy boundaries.

Two University of Wisconsin-Milwaukee researchers part of global team that discovered a new object in space - Milwaukee Journal Sentinel

Disclosing feelings, fantasies, and experiences to the client in ways not related to the work the client is engaged in.

Serious disappointment when the client cancels a session.

Struggling with fantasies of deeper connections with clients, whether sexual or parental or other intense or intimate relationships beyond psychotherapy.

There's a Giant Problem With SpaceX's Starlink Satellites - futurism.com

Sense of competition with persons who are important in the client’s life.

Eager anticipation (or anxious anticipation) of the next session in ways that distract.

Frequent phoning or texting of clients to “check up on them and make sure they’re OK.”

What is better, 4 more years of Trump with the media trying to hurt him, or 8 years of DeSantis with the media licking booty, or 4 to 8 years of RFK with the media hating on him all the time? (Biden is not an option, he can't win)

General Introduction to Boundaries from Panahi Counseling:

These items can happen fleetingly, briefly, in any therapy, but if they’re frequent, it’s definitely time for the therapist to get some good, solid supervision/consultation.

Routinely going over the time limit with certain patients, compromising the time for the next client.

Scientists find a boulder weighing 2,645,547 pounds that was washed inland by an enormous tsunami - Earth.com

Obsessing about clients outside of work hours.