Activists have gotten enough ballots to get a new proposal on the ballot in November to make a change to the state constitution to add abortion as a “fundamental right”. Previous cases where such an amendment has been on the ballot has driven up voter turn out. In all 7 states where the question of abortion has been put directly to voters, the pro abortion side has won since Roe was overturned.
Since harris is already polling ahead of trump in Arizona. This addition to the ballot makes it a fair bit more likely than Harris will take arizona.