: 1.4.3517 addressed several underlying issues in the C# and XML codebases to help modders keep their content compatible with the evolving 1.4 framework. Notable Features in the 1.4 Era
: This version improved game stability, specifically targeting performance issues that arose with the new pollution and tox mechanics introduced in the Biotech expansion. RimWorld v1.4.3517
: The introduction of toxic waste packs and the environmental hazards they create. : Significant upgrades to the search bar functionality
: Significant upgrades to the search bar functionality in various menus, making it easier to find specific items in large stockpiles. Core Update Highlights
As part of the broader 1.4 update landscape, this version supported:
was a critical hotfix update released during the active development cycle of the Biotech DLC and the 1.4 base game update. While it didn't introduce massive new features like the primary 1.4 patch, it focused on significant stability improvements and "quality of life" (QoL) refinements. Core Update Highlights