During January 2026, this developer focused on maintaining compatibility within the facebook/react-native repository by addressing a critical issue affecting Hermes V1. They implemented a targeted bug fix that restored native JavaScript class support, which had been disrupted by previous changes to Babel configuration. By reverting the disablement of class transforms, they ensured that React Native projects relying on Hermes V1 could continue to use native class constructs without encountering build or test regressions. Their work centered on JavaScript development and React Native, emphasizing stability and continuity for existing developer workflows while minimizing risk and feature gaps for ongoing projects.