Patch 9.1.23

On July 4th 2017 Patch 9.1.23 went live. This SRU Update is for all users on Steam (both Windows and Mac).

This version includes a number of engine updates, performance improvements, and content updates.

A notable change is that the game engine now uses Steam Matchmaking for Multiplayer networking. This requires all players to be logged in to steam and playing with a unique steam account for multiplayer games.

Version 9.1.23
 * Increase PPL max id from 2399 to 4999 (reserve 4000 range for modders)
 * More checks for valid ppl id ranges in scripted events
 * Updated Compiler and optimizations for performance improvements
 * Updated DirectX Engine code for performance improvements
 * Updated Steam SDK
 * Replaced Miles Sound System with XAudio2
 * Replaced MP3 files with newer xWMA format
 * Content: deployment of Syrian troops fixed in SR2020
 * Content: text fixes in language translations
 * Replacing DirectPlay with Steam Networking
 * Support for Steam Lobbies (beta development)
 * Removed support for LAN networks (must create Steam Lobby)
 * Player Name length extended to 31 char max (from 15)
 * Fixed MP speed set issue with wrong icon speed showing
 * Fixed MP pause/restart issue when running at slow speeds
 * Added "cheat trumpme" (add or subtract $1 trillion)
 * Increased maximum number of battlegroups to 250 from 99
 * Slight adjustment to goods base pricing of low gdp regions with low production costs
 * Adjusted sequence of loadgamefix cache creation code - to deal with some orbats issues of grouped regions
 * Resolved rare division by zero treasury error when region falls
 * 36 New models courtesy Nerei
 * Leaders and Governments updated for 2017 and 2020
 * Regional Relationship fixes and updates
 * A number of Mapfixes (facilities, etc)
 * Equipment List Updates
 * Resolved weather-related MP sync error on non-fresh start games
 * Added support for MP kick, Game name display/transmit
 * Games in progress will no longer show in lobby
 * Updated MultiPlayer UI
 * Fixed cache-creation upgrade-on-river bug introduced in insider build
 * Graphics optimizations - more efficient drawing of meshes with shotpoint
 * Graphics optimizations - Reduced use of vertex buffer flushes
 * Graphics optimizations - optimized map zoom default values (options reset needed)
 * Content fixes - 1942 German/Russian orbats, Ireland 2020 leader, etc
 * Resolved Insider Build Audio issue - rare crash with too many simultaneous sounds
 * Resolved Music Volume set to zero issue
 * Content fixes - George HW Bush, etc.
 * Known issue: Music off in Mac version may have audio clicks; defaults to off