: Addressed a major issue where the game would experience slowdowns specifically on Windows 10 PCs .

: Small technical refinements to improve game stability. Technical Requirements

Minimum: OS *: Windows XP, Vista, 7, 8, or 10. Memory: 2 GB RAM. Graphics: 128MB. Game Information - Undertale Wiki

: As Undertale is a 32-bit game, Linux users may need to install 32-bit libraries to run the version files properly. Usage for Modding

: Minor corrections to dialogue and descriptions to fix typos or clarity.

If you are attempting to run this version, ensure your system meets the Steam requirements : : At least 2 GB of RAM. Graphics : 128 MB VRAM. OS Compatibility : Windows XP, Vista, 7, 8, or 10.

According to the Undertale Wiki , the primary fixes included: