Increased unrest benefits and penalties from reputation.
Post-game stats now include a graph of reputation.
Can no longer intercept and fight allied fleets without declaring war.
AI no longer asks you to help besiege a city using a fleet consisting of a single supply ship.
AI should no longer ask for your help to besiege a city and then get cold feet and turn its fleet around.
Editing an AI offer to include a payment now works.
Stopped ships with lots of sails from constantly emitting sail flap sounds.
Giant spiders no longer explode when killed.
The E/I keys now re-hide empire stats/diplomacy as well as showing them.
Gaining a tech that's in your research queue now removes it from the queue so it doesn't get re-researched.
If you have enqueued a non-default choice tech (eg Free Press) and then also enqueue a tech that has that as a prerequisite (eg Bureaucracy), the game will no longer incorrectly enqueue the default choice (eg Surveillance State) as well.
