DevFive will be presenting at FEConf 2025 under the title “A Truly ZERO COST CSS-in-JS: Devup-UI.”
At FEConf 2025—Korea’s largest front-end developer conference—DevFive will deliver a technical session on its innovative CSS-in-JS library, Devup-UI. The talk, titled “A Truly ZERO COST CSS-in-JS: Devup-UI,” will take place on August 23, 2025 at 2:30 PM in Hall A.
In this session, DevFive will introduce Devup-UI’s breakthrough approach that fully eliminates the runtime performance overhead found in traditional CSS-in-JS libraries. The presentation will cover the technical journey and key challenges behind achieving zero runtime cost, as well as the practical solutions the team explored and implemented to overcome those obstacles.
Through this talk, DevFive aims to propose a new technical paradigm to Korea’s front-end ecosystem and contribute to the growth of the open-source community through active knowledge sharing and collaboration. FEConf 2025 attendees will gain a valuable opportunity to explore the future direction of next-generation CSS-in-JS technology.
Thank you.
[Devup-UI]
[Devup-UI github]