This patch fixes a bunch of NPC relationship issues, makes knockback more dangerous, makes it easier to build with minions, and fixes several other minor issues.
0.911 change list:
now NPCs fully remain part of town when they join your party (means they can't transfer to other worlds, but fixes a bunch of issues)
now your minions don't get in the way of you placing blocks (Hathunter)
now acid left behind from naga AcidBoltSplash skill will disperse slowly over time (HossPorkchops)
now if you attack and knock monsters into breakable objects they will break
ghost aura damage no longer damages inanimate objects (Hathunter)
now town NPCs can open doors that weren't placed by the player and are unlocked
now spiders are immune to webs (Faya AOP)
fixed unique monsters and uprisings sometimes being able to spawn in player houses
changed immolation, freezing, and net traps (skills) to be a lob that gravity/collision affects
now monsters who are less than unique rarity wise can't take over as the nemesis (ScrObot)
liquids can now disperse like gases
added weak poison liquid that will disperse over time
added weak acid liquid that will disperse over time
now constrain mouse position to screen when using skills
now gate positions data from server is marked as guaranteed since they don't change often (networking thing)
now basic wand attack uses better animation and doesn't have a swipe
now when highlight a bag shows comparison to currently equipped bags
improved tornado effect a little
now plants have less priority when using objects (easier to use important objects around things like grass)
added fire/smoke effects to furnaces
now make sure to remove NPC as a resident before adding them to another house deed
now furnaces cast light
made zombie imp poison cloud much more noticeable
fixed sometimes getting recruit to town option when NPC already part of town
fixed missing SemiHardcoreDead, SemiHardcoreDeadDesc, and SemiHardcoreWarning translations
fixed _lightChannelIndex not being initialized correctly if entity has no database entry
added nemesis/arch-nemesis icons in a few more places in text
changed PROTOCOL_VERSION to 168