Dear colleagues, Registration is now open for the 38th Symposium on Implementation and Application of Functional Languages (IFL 2026), taking place on 28-30 October 2026 at Aspenäs Herrgård near Gothenburg, Sweden. IFL brings together researchers and developers working on the implementation and application of functional languages and function-oriented programming. The program features many presentations on exciting topics including type systems, verified compilation, functional systems programming, parallelism, performance, domain-specific languages, and semantics. Our invited keynote speakers are: - Mary Sheeran - John Hughes - Simon Peyton Jones The preliminary program is available at: https://ifl26.cse.chalmers.se/program/ **Registration deadlines** - Early registration: 18 September 2026 - Late registration: 25 September 2026 Full conference registration includes two nights of accommodation at Aspenäs Herrgård, breakfast, lunch, fika, and two dinners. One-day registration is also available for local participants attending on 28 or 29 October. Registration and fees: https://ifl26.cse.chalmers.se/registration/ Venue and travel information: https://ifl26.cse.chalmers.se/venue/ We look forward to welcoming you to Gothenburg for three days of presentations, discussions, and exchange within the functional programming community. Best regards, Mart Lubbers On behalf of the IFL 2026 organizing committee https://ifl26.cse.chalmers.se/