<div dir="ltr">The 53rd ACM SIGPLAN Symposium on Principles of Programming Languages (POPL<br>2026) will be held in Rennes, France. POPL provides a forum for the discussion<br>of fundamental principles and important innovations in the design, definition,<br>analysis, transformation, implementation and verification of programming<br>languages, programming systems, and programming abstractions. Events focusing on<br>experimental and theoretical topics are welcome.<br><br>We invite proposals for workshops and other events to be co-located with<br>POPL 2026. All co-located events are sponsored by SIGPLAN<br>(<a href="https://urldefense.com/v3/__http://acm.org/sigplan/__;!!IBzWLUs!TBLBcpxuLQymZq0vph63OtCvsqyEpRA4yW5gj-0prVnw7jP984DuujueSnKZZrATs6lfr2MzwBC6zvlj-Qu8zDAXN0QANmxk$">http://acm.org/sigplan/</a>).<br><br>Workshops should be more informal and focused than POPL itself, and include<br>sessions that enable interaction among the workshop attendees. The preference is<br>for one-day workshops, but other schedules can also be considered.<br><br>---------------------------------------------------------------------<br><br>Submission details<br><br>Deadline for submission: 25 July 2025<br><br>Notification of acceptance: 1 August 2025<br><br>A workshop proposal should provide the following information:<br><br>* Name of the workshop.<br>* A short description (150-200 words) of the workshop.<br>* Call for submissions.<br>* Duration of the workshop.<br>* Whether the workshop will be Conference-approved or SIGPLAN-approved (see<br>  below).<br>* Organizers: names, affiliation, contact information, brief (100 words)<br>  biography.<br>* Event format: workshop; type of submissions if any; review process; results<br>  dissemination.<br>* Expected attendance and target audience.<br>* Potential PC members - please do not contact them before the workshop is<br>  approved.<br>* History of the workshop.<br>* Plans for remote participation<br><br>Please submit your proposals at<br><a href="https://urldefense.com/v3/__https://popl26.sigplan.org/track/POPL-2026-workshops-and-co-located-events__;!!IBzWLUs!TBLBcpxuLQymZq0vph63OtCvsqyEpRA4yW5gj-0prVnw7jP984DuujueSnKZZrATs6lfr2MzwBC6zvlj-Qu8zDAXN8s6zmhs$">https://popl26.sigplan.org/track/POPL-2026-workshops-and-co-located-events</a><br><br>---------------------------------------------------------------------<br><br>SIGPLAN Sponsorship<br><br>POPL co-located events are sponsored by SIGPLAN (<a href="https://urldefense.com/v3/__http://sigplan.org/__;!!IBzWLUs!TBLBcpxuLQymZq0vph63OtCvsqyEpRA4yW5gj-0prVnw7jP984DuujueSnKZZrATs6lfr2MzwBC6zvlj-Qu8zDAXN3Yo-Ks0$">http://sigplan.org/</a>). There are<br>two kinds of co-located events: Conference-approved (no proceedings) and<br>SIGPLAN-approved (proceedings in the ACM Digital Library). See<br><a href="https://urldefense.com/v3/__http://www.sigplan.org/Resources/Guidelines/Workshops/__;!!IBzWLUs!TBLBcpxuLQymZq0vph63OtCvsqyEpRA4yW5gj-0prVnw7jP984DuujueSnKZZrATs6lfr2MzwBC6zvlj-Qu8zDAXN0SgbhaY$">http://www.sigplan.org/Resources/Guidelines/Workshops/</a> for more information,<br>including a full listing of prescriptions for Conference-approved and<br>SIGPLAN-approved workshops.<br><br>SIGPLAN-approved workshops must respect the SIGPLAN Diversity Policy. Proposals<br>for SIGPLAN-approved workshops must additionally include the gender, country of<br>affiliation, and professional status of potential PC members. See<br><a href="https://urldefense.com/v3/__https://www.sigplan.org/Resources/Policies/Diversity/__;!!IBzWLUs!TBLBcpxuLQymZq0vph63OtCvsqyEpRA4yW5gj-0prVnw7jP984DuujueSnKZZrATs6lfr2MzwBC6zvlj-Qu8zDAXN5j5pgKp$">https://www.sigplan.org/Resources/Policies/Diversity/</a> for more details.<br><br>---------------------------------------------------------------------<br><br>Selection committee<br><br>All submissions will be evaluated by a committee comprising the workshops<br>co-chairs, the general chair, and the program chair.<br><br>---------------------------------------------------------------------<br><br>Further information<br><br>Any questions regarding POPL 2026 co-located event proposals should be addressed<br>to the workshops chairs, Robert Rand (<a href="mailto:rand@uchicago.edu">rand@uchicago.edu</a>) and Alan Schmitt<br>(<a href="mailto:alan.schmitt@inria.fr">alan.schmitt@inria.fr</a>).<br></div>