MSR 2026 Distinguished Mining Challenge Paper Award was presented for the paper “Why Are Agentic Pull Requests Merged or Rejected? An Empirical Study.” Congrats, all! The poster was successfully presented by Youmei Fan. This is the result of joint work led by Sien Reeve Peralta and Fumika H. from our lab, with Osaka University, Ritsumeikan University, and NAIST, originating from the AI-Driven Software Engineering Summit sponsored by IPSJ-SIGSE.

• Sien Reeve Peralta, Fumika H., Hironori Washizaki, Naoyasu Ubayashi, Inase Kondo, Yoshiki Higo, Hiroki Mukai, Norihiro Yoshida, Kazuki Kusama, Hidetake Tanaka, Youmei Fan, “Why Are Agentic Pull Requests Merged or Rejected? An Empirical Study,” 23rd International Mining Software Repositories Conference (MSR 2026), Mining Challenge Track, Rio de Janeiro, Brazil, April 13-14, 2026.