Castle Strike Patch 1.2 21
Enhanced frame rate stability during heavy combat sequences. Gameplay Balancing and Unit Tweaks
Patch 1.2 was primarily designed to stabilize the game for newer (at the time) hardware and address critical gameplay bugs. Key improvements typically include: Castle Strike Patch 1.2 21
: Minor tweaks to unit costs and building health to ensure fairer multiplayer matches. Installation Guide Locate Your Version Enhanced frame rate stability during heavy combat sequences
Pretty sure it's chrome that's built in. Remember having to install Firefox from desktop mode.
Unless something changed recently, Firefox was always built in. They did make it so you have to install it manually a year or so after initially launching, but Chrome was never included.
Firefox is built-in with the desktop mode. I believe when first going to "Non-Steam Games" in Gaming Mode, SteamOS does prompt you to install Chrome as Chrome plays nicer in Gaming Mode.