In 2024, she voted against allowing the initiative to legalize abortion and women's reproductive rights to appear on state-wide ballots for the November 2024 election.
[6] On June 29, 2023, she was elected to serve as chief judge of the Missouri Court of Appeals for term starting on July 1, 2023.
[8] In August 2023, Broniec was one of three candidates submitted to the governor for appointment to the Missouri Supreme Court.
[9][10] On September 12, 2023, Broniec was appointed to the Missouri Supreme Court by Governor Mike Parson to fill the vacancy left by the retirement of Judge George W. Draper III.
[3] At the time of Broniec's appointment, that gave the Missouri Supreme Court a female majority.