New Features/Enhancements

The backend code for MIDI playback has been changed on Windows and real pause logic
has been re-enabled. Please be aware that things such as application volume and audio
quality may change depending on your configuration from ≤0.66
The original demo gameplay video now plays when the CorsixTH main menu is idle (this
can be disabled in the configuration file)
File browser menus now have an OK button (at last!)
Selecting an existing file in the Save Game/Map browsers will now update the text
input box to that file name

Changes

Handymen now always stay in their assigned plots, except when going to rest
Staff members now have a maximum salary, which can be configured in custom levels
The game will now always use the GP's choice of next diagnosis room for the patient,
if available
Queueing patients are now shown when hovering a door
Epidemics can no longer fail because an infected patient left before the epidemic was
revealed
Balance changes to drug improvement research
Check for updates can now be disabled in Settings
"Pause" now shows up when the "Build while paused" setting is on and the game is paused.
The gamelog file now includes a timestamp
Many, many, refactors of the code to make it better to understand for future developers
Contact methods to reach the CorsixTH Team have been updated

Chinese Traditional and Simplified translations have been updated. Thanks @lokpro
Russian has been updated. Thanks Matt1

Fixed an instance where objects could disappear from the map
Fixed a bug where the empty action queue message was prevented from happening
Fixed a bug where dying patients became undead and would have a habit of ruining everything
Fixed broken dynamic info during epidemics
Handymen will no longer try to repair machinery while a patient is using it
Psychiatrist couch has less chance of causing blocked paths
Roujin's challenge is now properly applied (read: harder)
Serious Radiation is no longer contagious
Room blueprints can no longer go beyond external walls
Fixed incorrect button sounds in the Staff Management window
Fixed back button behaviour in Font Picker
Fixed a bug where word-wrapping text on dialogs could crash the game
Fixed a rare case where the next VIP date may be scheduled in the past
Fixed a rare case where awarded research points could be negative
Fixed a rare case of the balance sheet being victim of a green highlighter