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+---
+title: FUN OCaml 2025
+date: 2025-09-15
+location: Warsaw, Poland
+important_dates:
+  - date: 2025-09-15
+    info: FUN OCaml Day 1
+  - date: 2025-09-16
+    info: FUN OCaml Day 2
+presentations:
+  - title: "A Vision for OCaml in the AI Era"
+    authors:
+      - Thibaut Mattio
+    youtube_video: https://www.youtube.com/watch?v=BAvXqd0QeVM
+    watch_ocamlorg_video: https://watch.ocaml.org/w/oTv8j7T7eGrtHxpzaRe1LZ
+  - title: "OCaml at LexiFi"
+    authors:
+      - Nicolás Ojeda Bär
+    youtube_video: https://www.youtube.com/watch?v=_uwvra1NFJg
+    watch_ocamlorg_video: https://watch.ocaml.org/w/62JkXM1mcVRAjX6k4xwfVk
+  - title: "I Can See The Pixels: Designing Cross-Stitch Patterns in OCaml"
+    authors:
+      - Mindy Preston
+    youtube_video: https://www.youtube.com/watch?v=Q2-qIrYzSXw
+    watch_ocamlorg_video: https://watch.ocaml.org/w/ewpvKhPvKhrKmvQ35N42kx
+  - title: "Frameworks: No, Libraries: Yes. Developing a product in OCaml from Scratch"
+    authors:
+      - Malcolm Matalka
+    youtube_video: https://www.youtube.com/watch?v=0Hwd7NxQ8_c
+    watch_ocamlorg_video: https://watch.ocaml.org/w/arLEkYE7NC4fdCcWz2LBLt
+  - title: "Purely functional gRPC and HTTP/2 with OCaml"
+    authors:
+      - Adam Cholewiński
+    youtube_video: https://www.youtube.com/watch?v=exR5eWSQ_8o
+    watch_ocamlorg_video: https://watch.ocaml.org/w/1crzn8PE9UGcyPErYE6QYd
+  - title: "Analyzing Programs with SMT Solvers"
+    authors:
+      - Tikhon Jelvis
+    youtube_video: https://www.youtube.com/watch?v=BL8bmtBfd7E
+    watch_ocamlorg_video: https://watch.ocaml.org/w/aTPecM67BvKkb3fmdct4WB
+  - title: "Slipshow: A Full-Featured Presentation Tool in OCaml"
+    authors:
+      - Paul-Elliot Anglès d'Auriac
+    youtube_video: https://www.youtube.com/watch?v=5HMpiGKHu9A
+    watch_ocamlorg_video: https://watch.ocaml.org/w/2oY2gmi7Dtfgb58iv4Ww7J
+  - title: "0xCaml From a System Engineer's Point of View"
+    authors:
+      - Dmitriy Kovalenko
+    youtube_video: https://www.youtube.com/watch?v=iQc5fHW5SZA
+    watch_ocamlorg_video: https://watch.ocaml.org/w/a1aMiaWYLXVxU2Yf3iGFFE
+  - title: "Performance Pitfalls: Tales From a Python/OCaml Codebase"
+    authors:
+      - Emma Jin
+    youtube_video: https://www.youtube.com/watch?v=UfrryqltZUQ
+    watch_ocamlorg_video: https://watch.ocaml.org/w/4FDjm7yK4KsiXxN8fjV7ZW
+  - title: "Generating Static Websites the Functional Programming Way"
+    authors:
+      - Xavier Van de Woestyne
+    youtube_video: https://www.youtube.com/watch?v=rHGMD49eb_k
+    watch_ocamlorg_video: https://watch.ocaml.org/w/uSaQB8ejXBUdJGgUBfHCW8
+  - title: "From OCaml 4 to 5 and from Parmap to Effects: A legacy code transition story"
+    authors:
+      - Nathan Taylor
+      - Nat Mote
+    youtube_video: https://www.youtube.com/watch?v=zfGlQZ2pkss
+    watch_ocamlorg_video: https://watch.ocaml.org/w/x5XKaNB7Z2zyaFQWPBU2ZL
+organising_committee: 
+  - name: Sabine Schmaltz
+    affiliation: Tarides
+  - name: Ivan Hrekov
+    affiliation: Splunk
+  - name: David Sancho Moreno
+    affiliation: Ahrefs
+  - name: Dmitriy Kovalenko
+    affiliation: LightSource
+program_committee: []
+---
+
+FUN OCaml 2025 took place in Warsaw, Poland on September 15-16, 2025.
+
+FUN OCaml homepage: [FUN OCaml](https://fun-ocaml.com)
+
+Video recordings are available here:
+* [FUN OCaml 2025 YouTube Playlist](https://www.youtube.com/playlist?list=PLP3MfTGqcNVJHMuI9javghhPwGNEBGXMA)
+* [FUN OCaml on watch.ocaml.org](https://watch.ocaml.org/c/funocaml/videos)