Will Pathfinder 2nd edition revised include lore and rule systems from starfinder? I'm considering purchasing the Pathfinder solidarity bundle and I don't want to waste my money. I'd like the revised rules to include everything from Pathfinder and starfinder so that I can choose the timeline that I'd like to play without needing to change rule systems. Thoughts?
No, Paizo has not announced any changes to Starfinder.
The Remastered versions of the rules will only cover material from the PF2 Core Rulebook, Advanced Players Guide, Gamemastery Guide, and the first Bestiary.
Here's the blog post with the full information.
Starfinder is a different game, with different rules from Pathfinder. And Paizo deliberately created The Gap as part of the Starfinder world, so that the timelines can (and already do) diverge.