The two Democrats aligned on virtually every issue in what could be the only debate of the runoff.
The appellate panel extended a temporary order it had issued earlier halting a federal judge's order expanding voting by mail during the coronavirus pandemic.
Abbott has already added more time to the early voting period for the July runoff election, citing the need to create a safe environment for in-person voting during the coronavirus pandemic.
Although the court sided with state Attorney General Ken Paxton's interpretation of what constitutes a disability, it indicated that it is up to voters to assess their health and determine if they meet the state's definition, which could allow them to vote by mail.
It's unclear whether Texas will expand who is eligible for a mail-in ballot during the pandemic, as other states have. But the people who normally qualify to vote by mail can still do so in July.
The state Supreme Court's order comes one day after a state appeals court had allowed the expansion to stand while a legal case was appealed.
Early voting for the July 14 runoffs will begin June 29, instead of July 6, under a proclamation issued Monday by Gov. Greg Abbott.
In their suit, a group of Texas voters and civic organizations claim that four specific Texas absentee voting rules are unconstitutional during a public health crisis.
Candidates for the Denton city council suddenly have more time to campaign, as the council voted on March 20 to postpone the May 2...
The voters — all between the ages of 18 and 28 — want the courts to rule that the state's age restriction for voting-by-mail, which limits eligibility to those 65 and older, violates constitutional protections.