Britt Binler developed comprehensive bitmap font rendering test coverage for the Spleen 8x16 font in the ghostty-org/ghostty repository, focusing on BDF, PCF, and OTB formats. Using Zig, Britt implemented automated, pixel-perfect validation to ensure rendered glyphs matched expected patterns across all supported formats. This work addressed regression risks by expanding test coverage, enabling safer UI deployments in environments requiring multi-format font support. Britt’s approach demonstrated disciplined regression testing and cross-format font handling, leveraging skills in Zig programming, font rendering, and automated testing. The depth of validation improved reliability in font rendering without introducing new bugs during the development period.