The OOPSLA issue of the Proceedings of the ACM on Programming Languages (PACMPL) welcomes papers focusing on all practical and theoretical investigations of programming systems, languages, and environments. Papers may target any stage of software development, including requirements, modeling, prototyping, design, implementation, generation, analysis, verification, testing, evaluation, maintenance, and reuse of software systems. Contributions may include the development of new tools, techniques, principles, and evaluations.

OOPSLA 2026 will have two rounds of reviewing, with the Round 1 submission deadline October 10, 2025 and Round 2 submission deadline March 17, 2026 (AoE). All deadlines are firm. New papers may be submitted to either round. Papers accepted in either round will be published in the 2026 volume of PACMPL(OOPSLA) and invited to present in-person at the SPLASH conference in 2026. (Remote presentations will not be possible.)