Here's all of the changes for patch 0.920.
- achievements are now permanent, immediate, and tell you when you have achieved them
- effects are simulated better at lower frame rates
- no longer create/free particle models each time (a bit faster and should fragment memory less)
- no longer change color, texture coord, or vertex array setting if hasn't changed
- ai has less of a chance to wake up other ai now
- now each race has a max number of civilian ships they can have out at one time
- non-leader ai ships no longer activate other ai
- ai destroyed by ai away from the player no longer drop loot
- once a race's total number of military ships gets above a certain size, each fleet has to be a little smaller
- now cull out more effects when too far from players
- first level can now be purged of entities
- fixed a convuleted crash involving Backlash Missile Hacking and Patchwork Burn Thrower
- now when run out of entities, try to purge some entities right away, but are careful to not purge the same level
- fixed a few cases where we could get duplicate monsters
- now only calculate race's power once a second (instead of every frame)
- now cache numMilitaryShips value
- check for lost ship and planets less
- no longer try to add set status effects (not used and speed improvement when ignoring)
- now ai far away from a player check active status less often
- on actors, only update skills when the actor is awake
- turned stamina stuff off (wasn't being used, but was slowing things down slightly)
- removed an unnecessary check in updateTimers
- turned off recently hurt stuff (wasn't being used, but was slowing things down slightly)
- fixed a couple problems with ship build time estimate (Roswitha/Crisses)
- improved the look of the some of the menus a little
- can no longer install more than one of the same kind of passive weapon component
- rewrote some of the UniqueRaidPlan quest texts (Roswitha)
- rewrote giant spiders quest text (Roswitha)
- fixed punctuation in Shadow enemy attacking planet dialog (Roswitha)
- fixed missing TalkToMonster translation (Roswitha)
- guard planet announce text now tells you system (Crisses)
- colonize quests will now fail if declined once accepted (kizune)
- long teleporter traps are no longer allowed on random objects (DarkTraveler)
- decreased unstable wormhole chance on anomalies (DarkTraveler)
- now show a green + on main relation and diplomacy screens if a race has something they want to buy from you (Crisses)
- fixed plural issue with 0 (Roswitha)
- fixed have broken free typo (Roswitha)
- reworded Colonize quest text some (Roswitha)
- planets, rifts, and stars now slow down projectiles (longshot)
- now show race bonus text if you highlight race icon on either character screen (ShaggyMoose/graffen69)
- changed Patchwork's fire type attack to thermal damage