Seattle Prop 1a and Prop 1b
Seattle Prop 1a and Prop 1b are initiatives designed to introduce new voting systems for the selection of the city council.
Prop 1a
Seattle Approves gathered signatures for "Initiative 134", which was intended to provide a simple "yes"/"no" selection to mandate the use of approval voting for the selection of city council members in each district of Seattle. Before Initiative 134 that Seattle Approves was printed onto ballots, the Seattle City Council added another option for voters to consider.[1] Thus "Initiative 134" (which had thousands of citizen signatures) was replaced by "Prop 1a", which has similar text to the text proposed by Initiative 134.
Prop 1b
Prop 1b calls for the mayor, the city attorney, and the council members from all of the districts to be selected by a top-four primary. Then, when the general election is held, the four selected candidates for the office in question would compete in a general election held using ranked-choice voting. The primary election wouldn't be eliminated, and the voting machines would need to be changed to handle ranked elections.