Updating as I discover or people report bugs:
-Only titan gorge is showing up in the "Join Game" list. Where are the filter settings?
-Road textures still fubar/disappearing when you pan/zoom
-Seeing the "Mayor X has upgraded Y" from a different region than the one being played -Alberto-Balsalm
-Phantom sounds. Youtube Example:
Trees making siren and honking noises - labombevolante
-Game crashes -sp1d3r
-Sewage OVERLOAD. 4k population, and sewage outflow pipe is MAXED.
-Multiple cities stuck @ loading endlessly. No problem creating new ones.
-High Density, Low Wealth Residential building graphic flickering -elitemarine
-City sounds 'dead' - lots of sirens, not much else -blitzedjesus
-Global trade of Coal does not function. 4 delivery trucks, 15 tons in storage, no movement. -pitbull_lvr
-Adding power plants, sewage, anything with agents takes several minutes to 'work' on cheetah -pitbull_lvr
-Buildings stuck endlessly in construction -pitbull_lvr
-Pollution from the region being magnified. New town, 4k population, 55 people in the clinic. -thehybridfrog
-Transit not fixed. Deleted street cars depots and rebuilt it elsewhere and all the street cars disappeared. after the patch, the street cars are still gone.. - user681
-
Police car conga lines have not improved - fivestarchili
-Great works out of sync - link - fivestarchili
-Cars still double-backing to the road they came from to take a turn they could've taken earlier. - DerAffenbrotbaum
-My cities have all reverted to old saves - bailystevens
-Sewage problem with ferry terminal, sewage not been taken. - Moofers
-When ANY Culture building is placed, ALL Commercial buildings immediately become
-Hotels/Motels, no matter how many tourists you have Industrial_Redditor
City FULL OF TAXIS after patch - rshilda
...and lots more. Okay, well, not to be disrespectful to EA's potentially hard work, but 2.0 sure feels more like 'snake oil' than proper release. Keep 'em coming, we'll get this list complete and polish it up.