# Community

**URL:** https://discuss.ocaml.org/c/community/5.md

[Latest](https://discuss.ocaml.org/latest.md) · [Categories](https://discuss.ocaml.org/categories.md) · [Tags](https://discuss.ocaml.org/tags.md)

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## [About the Community category](https://discuss.ocaml.org/t/about-the-community-category/18)

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**Author:** [@avsm](https://discuss.ocaml.org/u/avsm)\
**Replies:** 1\
**Last updated:** [December 1, 2020, 4:41pm UTC](https://discuss.ocaml.org/t/about-the-community-category/18 "2020-12-01T16:41:46Z")

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## [Welcome to OCaml Discourse](https://discuss.ocaml.org/t/welcome-to-ocaml-discourse/8)

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**Author:** [@system](https://discuss.ocaml.org/u/system)\
**Replies:** 0\
**Last updated:** [May 12, 2017, 9:10am UTC](https://discuss.ocaml.org/t/welcome-to-ocaml-discourse/8 "2017-05-12T09:10:57Z")

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This is an area to discuss the OCaml programming language, and the tooling and library ecosystem around it such as the opam package manager. You are very welcome here as a beginner to the language, and also for more adv…

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## [Outreachy May 2026](https://discuss.ocaml.org/t/outreachy-may-2026/17863)

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**Author:** [@patricoferris](https://discuss.ocaml.org/u/patricoferris)\
**Replies:** 18\
**Last updated:** [October 12, 2026, 4:02pm UTC](https://discuss.ocaml.org/t/outreachy-may-2026/17863 "2026-10-12T16:02:48Z")

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Hello everyone, The OCaml community has signed up to Outreachy May 2026 (see past posts)! What is Outreachy? Outreachy is a paid, remote internship program. Outreachy promotes diversity in open source and open science…

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## [\[ANN\] faker 0.1.1: fake (but realistic) data, seed-compatible with faker-js](https://discuss.ocaml.org/t/ann-faker-0-1-1-fake-but-realistic-data-seed-compatible-with-faker-js/18611)

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**Author:** [@barteo](https://discuss.ocaml.org/u/barteo)\
**Replies:** 0\
**Last updated:** [October 12, 2026, 11:55am UTC](https://discuss.ocaml.org/t/ann-faker-0-1-1-fake-but-realistic-data-seed-compatible-with-faker-js/18611 "2026-10-12T11:55:14Z")

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I’m happy to announce faker, a library for generating fake but realistic data: names, addresses, emails, phone numbers, companies, dates, finance data, lorem ipsum and more, in 77 locales. opam install faker As far as …

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## [OUPS meetup november 2026](https://discuss.ocaml.org/t/oups-meetup-november-2026/18610)

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**Author:** [@ancolie](https://discuss.ocaml.org/u/ancolie)\
**Replies:** 0\
**Last updated:** [October 12, 2026, 10:25am UTC](https://discuss.ocaml.org/t/oups-meetup-november-2026/18610 "2026-10-12T10:25:57Z")

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The next OUPS meetup will take place on Tuesday, 3rd of November 2026. It will start at 6:30pm at the 4 place Jussieu in Paris. It will be in the in the amphitheater 45A. There is a map of the buildings. Please, registe…

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## [\[ANN\] Bytesrw 0.3.0 – The cryptographic edition](https://discuss.ocaml.org/t/ann-bytesrw-0-3-0-the-cryptographic-edition/17450)

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**Author:** [@dbuenzli](https://discuss.ocaml.org/u/dbuenzli)\
**Replies:** 4\
**Last updated:** [October 9, 2026, 8:38am UTC](https://discuss.ocaml.org/t/ann-bytesrw-0-3-0-the-cryptographic-edition/17450 "2026-10-09T08:38:53Z")

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Hello, It’s my pleasure to announce a new release of the bytesrw set of ISC licensed libraries. Bytesrw extends the OCaml Bytes module with composable, memory efficient, byte stream readers and writers compatible wit…

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## [\[ANN\] ozstd 0.1](https://discuss.ocaml.org/t/ann-ozstd-0-1/18538)

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**Author:** [@dx3mod](https://discuss.ocaml.org/u/dx3mod)\
**Replies:** 17\
**Last updated:** [October 9, 2026, 5:54am UTC](https://discuss.ocaml.org/t/ann-ozstd-0-1/18538 "2026-10-09T05:54:19Z")

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Yo! I am happy to announce the first release of ozstd library! The is a small, modern OCaml binding to Zstandard. It wraps the common one-shot and streaming C APIs in a simple, idiomatic interface. Features On…

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## [\[ANN\] Docfd: TUI multiline fuzzy document finder - 13.1.3 + proper user guide](https://discuss.ocaml.org/t/ann-docfd-tui-multiline-fuzzy-document-finder-13-1-3-proper-user-guide/18601)

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**Author:** [@darrenldl](https://discuss.ocaml.org/u/darrenldl)\
**Replies:** 0\
**Last updated:** [October 9, 2026, 2:13am UTC](https://discuss.ocaml.org/t/ann-docfd-tui-multiline-fuzzy-document-finder-13-1-3-proper-user-guide/18601 "2026-10-09T02:13:28Z")

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Hi all, I am happy to announce the release of Docfd 13.1.3. And since I got a bit of time (got laid off from mass restructuring), I finally combined all the scattered instructions into a proper (though basic) user guide…

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## [\[ANN\] shakuhachi v0.4.0](https://discuss.ocaml.org/t/ann-shakuhachi-v0-4-0/18599)

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**Author:** [@EruEri](https://discuss.ocaml.org/u/EruEri)\
**Replies:** 0\
**Last updated:** [October 7, 2026, 11:45pm UTC](https://discuss.ocaml.org/t/ann-shakuhachi-v0-4-0/18599 "2026-10-07T23:45:14Z")

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Dear all, I’m happy to announce the release of shakuhachi v0.4.0. Shakuhachi is still a music collection manager. This release implements the 2 mains missing bits: Query float/date property from the command line# ex…

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## [\[ANN\] betacalendars 1.0.0 — deterministic date and calendar utilities](https://discuss.ocaml.org/t/ann-betacalendars-1-0-0-deterministic-date-and-calendar-utilities/18593)

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**Author:** [@Beta\_Calendars](https://discuss.ocaml.org/u/Beta_Calendars)\
**Replies:** 1\
**Last updated:** [October 6, 2026, 9:31pm UTC](https://discuss.ocaml.org/t/ann-betacalendars-1-0-0-deterministic-date-and-calendar-utilities/18593 "2026-10-06T21:31:27Z")

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I’m happy to announce the first stable release of betacalendars, an OCaml library for timezone-independent civil-date arithmetic and deterministic calendar generation. The library provides Gregorian date operations, con…

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## [\[ANN\] Sedlex 3.8.1](https://discuss.ocaml.org/t/ann-sedlex-3-8-1/18595)

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**Author:** [@hhugo](https://discuss.ocaml.org/u/hhugo)\
**Replies:** 0\
**Last updated:** [October 6, 2026, 4:18pm UTC](https://discuss.ocaml.org/t/ann-sedlex-3-8-1/18595 "2026-10-06T16:18:54Z")

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Sedlex 3.8.1 is out! :tada: Sedlex is a unicode-friendly lexer generator for OCaml originally written by Alain Frisch at LexiFi and now maintained under the ocaml-community umbrella. The headline feature is named cap…

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## [JFLA2027 : Premier appel à communications](https://discuss.ocaml.org/t/jfla2027-premier-appel-a-communications/18417)

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**Author:** [@YaZko](https://discuss.ocaml.org/u/YaZko)\
**Replies:** 2\
**Last updated:** [October 6, 2026, 6:19am UTC](https://discuss.ocaml.org/t/jfla2027-premier-appel-a-communications/18417 "2026-10-06T06:19:16Z")

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This message is intentionally written in French. It is a call for papers for the “Francophone Days on Functional Languages” to be held at the end of January 2027 in Britany. Papers can be written in English, but the pr…

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## [Michel Mauny, 1959-2026](https://discuss.ocaml.org/t/michel-mauny-1959-2026/18571)

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**Author:** [@gasche](https://discuss.ocaml.org/u/gasche)\
**Replies:** 4\
**Last updated:** [October 3, 2026, 7:39am UTC](https://discuss.ocaml.org/t/michel-mauny-1959-2026/18571 "2026-10-03T07:39:08Z")

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Dear all, It is with great sadness that we (the OCaml Software Foundation) are sharing the news of the death of Michel Mauny, a long-time member of the OCaml community. Michel passed away on September 17th 2026 (more in…

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## [Conf.funcp.org is a scam OCaml conference](https://discuss.ocaml.org/t/conf-funcp-org-is-a-scam-ocaml-conference/18577)

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**Author:** [@cuihtlauac](https://discuss.ocaml.org/u/cuihtlauac)\
**Replies:** 0\
**Last updated:** [October 2, 2026, 5:13pm UTC](https://discuss.ocaml.org/t/conf-funcp-org-is-a-scam-ocaml-conference/18577 "2026-10-02T17:13:00Z")

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This site: Presents as an OCaml/Haskell/FP conference. However: The event is not listed on the venue’s official schedule: https://www.javitscenter.com/calendar The funcp.org domain was registered two weeks ago, yet …

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## [\[ANN\] opam-monorepo 0.5.0](https://discuss.ocaml.org/t/ann-opam-monorepo-0-5-0/18546)

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**Author:** [@Firobe](https://discuss.ocaml.org/u/Firobe)\
**Replies:** 7\
**Last updated:** [October 2, 2026, 4:00pm UTC](https://discuss.ocaml.org/t/ann-opam-monorepo-0-5-0/18546 "2026-10-02T16:00:46Z")

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Hi everyone, I’m happy to announce the release of a new version of opam-monorepo, a tool to assemble monorepos of your projects dependencies to compile them at once with dune, mainly used by Mirage to allow for easy cro…

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## [A type for ordered lists?](https://discuss.ocaml.org/t/a-type-for-ordered-lists/18567)

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**Author:** [@Rucikir](https://discuss.ocaml.org/u/Rucikir)\
**Replies:** 5\
**Last updated:** [October 2, 2026, 1:10pm UTC](https://discuss.ocaml.org/t/a-type-for-ordered-lists/18567 "2026-10-02T13:10:44Z")

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Not so long ago the cargocut crew introduced the nel library, a “very simple implementation of a non-empty list”. In a project I’m working on we’ve had a few bugs due to forgotten List.rev calls, or missing track of the…

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## [OCaml running on a 1960s UNIVAC 1219B](https://discuss.ocaml.org/t/ocaml-running-on-a-1960s-univac-1219b/18470)

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**Author:** [@nathanfarlow](https://discuss.ocaml.org/u/nathanfarlow)\
**Replies:** 6\
**Last updated:** [October 1, 2026, 8:56pm UTC](https://discuss.ocaml.org/t/ocaml-running-on-a-1960s-univac-1219b/18470 "2026-10-01T20:56:49Z")

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Hi! I’ve been meaning to post a recent-ish project of mine where I ran OCaml (and much more) on a 1960s UNIVAC 1219B! The demo I chose to run was a sudoku solver. In short, this was done by compiling OCaml to C, C to RI…

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## [\[ANN\] Windtrap: one library for all your OCaml tests](https://discuss.ocaml.org/t/ann-windtrap-one-library-for-all-your-ocaml-tests/18561)

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**Author:** [@tmattio](https://discuss.ocaml.org/u/tmattio)\
**Replies:** 5\
**Last updated:** [September 29, 2026, 8:10am UTC](https://discuss.ocaml.org/t/ann-windtrap-one-library-for-all-your-ocaml-tests/18561 "2026-09-29T08:10:34Z")

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Hi everyone! I’m happy to announce the release of Windtrap, a testing framework for OCaml that brings the different testing methods of the ecosystem into one library: Unit tests, with an Alcotest-like API. Expect and …

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## [\[ANN\] kqueue-ml 0.5.0](https://discuss.ocaml.org/t/ann-kqueue-ml-0-5-0/17835)

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**Author:** [@anuragsoni](https://discuss.ocaml.org/u/anuragsoni)\
**Replies:** 1\
**Last updated:** [September 26, 2026, 1:18am UTC](https://discuss.ocaml.org/t/ann-kqueue-ml-0-5-0/17835 "2026-09-26T01:18:26Z")

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Hi, I’d like to announce a new release for kqueue-ml version 0.5.0 Kqueue-ml: Thin bindings to kqueue event notification system. Changes since the last release: Moved development to codeberg Remove dependencies on p…

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## [\[ANN\] ppx\_deriving\_{yaml,ezjsonm,yamlx} 0.5.0](https://discuss.ocaml.org/t/ann-ppx-deriving-yaml-ezjsonm-yamlx-0-5-0/18556)

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**Author:** [@patricoferris](https://discuss.ocaml.org/u/patricoferris)\
**Replies:** 0\
**Last updated:** [September 25, 2026, 11:58am UTC](https://discuss.ocaml.org/t/ann-ppx-deriving-yaml-ezjsonm-yamlx-0-5-0/18556 "2026-09-25T11:58:04Z")

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Hello! I’m happy to announce the release of ppx\_deriving\_yaml and ppx\_deriving\_ezjsonm version 0.5.0 alongside the first release of ppx\_deriving\_yamlx which uses YAMLx as a backend (thank you to @raphael-proust and @mja…

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## [\[ANN\] Unicode 18.0.0 update for Uucd, Uucp, Uunf and Uuseg](https://discuss.ocaml.org/t/ann-unicode-18-0-0-update-for-uucd-uucp-uunf-and-uuseg/18537)

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**Author:** [@dbuenzli](https://discuss.ocaml.org/u/dbuenzli)\
**Replies:** 1\
**Last updated:** [September 23, 2026, 9:25pm UTC](https://discuss.ocaml.org/t/ann-unicode-18-0-0-update-for-uucd-uucp-uunf-and-uuseg/18537 "2026-09-23T21:25:48Z")

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Hello, Unicode 18.0.0 was released on September 16th. It adds 13’007 new characters for a total of 172’808 characters. More numbers! This release notably adds support for the proto-cuneiform script, see §3 of the encod…

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## [\[ANN\] boulodrome : LLM as proof assistant](https://discuss.ocaml.org/t/ann-boulodrome-llm-as-proof-assistant/18547)

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**Author:** [@vbergeron](https://discuss.ocaml.org/u/vbergeron)\
**Replies:** 3\
**Last updated:** [September 22, 2026, 2:10am UTC](https://discuss.ocaml.org/t/ann-boulodrome-llm-as-proof-assistant/18547 "2026-09-22T02:10:22Z")

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Hello all, The first public release of \`boulodrome\` is finally available ! It is a MCP server for Rocq/Coq proof assistance via the Pétanque protocol Boulodrome gives LLMs interactive access to the Rocq proof assistan…

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## [\[ANN\] rtree 0.3.0](https://discuss.ocaml.org/t/ann-rtree-0-3-0/18545)

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**Author:** [@patricoferris](https://discuss.ocaml.org/u/patricoferris)\
**Replies:** 0\
**Last updated:** [September 18, 2026, 2:57pm UTC](https://discuss.ocaml.org/t/ann-rtree-0-3-0/18545 "2026-09-18T14:57:24Z")

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On behalf of the geocaml programmers, I am happy to announce the release of rtree.0.3.0. This release, after some community feedback removes the dependency on repr. For debugging and avoiding costly Stdlib.( = ) comparis…

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## [Blog post on static linking](https://discuss.ocaml.org/t/blog-post-on-static-linking/18535)

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**Author:** [@bufordrat](https://discuss.ocaml.org/u/bufordrat)\
**Replies:** 0\
**Last updated:** [September 16, 2026, 5:27pm UTC](https://discuss.ocaml.org/t/blog-post-on-static-linking/18535 "2026-09-16T17:27:11Z")

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Hello OCaml friends, I thought some of you might be interested in my new blog post on static linking: Take care!

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## [Outreachy December 2026](https://discuss.ocaml.org/t/outreachy-december-2026/18533)

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**Author:** [@patricoferris](https://discuss.ocaml.org/u/patricoferris)\
**Replies:** 0\
**Last updated:** [September 15, 2026, 12:39pm UTC](https://discuss.ocaml.org/t/outreachy-december-2026/18533 "2026-09-15T12:39:41Z")

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Hello everyone, The OCaml community has signed up to Outreachy December 2026! What is Outreachy? Outreachy is a paid, remote internship program. Outreachy promotes diversity in open source and open science. Our intern…

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## [OCaml Public Security Meeting](https://discuss.ocaml.org/t/ocaml-public-security-meeting/18526)

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**Author:** [@hannes](https://discuss.ocaml.org/u/hannes)\
**Replies:** 0\
**Last updated:** [September 12, 2026, 3:02pm UTC](https://discuss.ocaml.org/t/ocaml-public-security-meeting/18526 "2026-09-12T15:02:53Z")

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Dear everyone, on Tuesday Sep 15th at 14:00 CEST we have another public security meeting. It will take place at Jitsi Meet We will introduce ourselves, and are happy to discuss the topics you bring there. Find a prelim…

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## [\[ANN\] Introcaml (alpha): Polymorphic Printing and Introspection for OCaml](https://discuss.ocaml.org/t/ann-introcaml-alpha-polymorphic-printing-and-introspection-for-ocaml/18407)

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**Author:** [@let-def](https://discuss.ocaml.org/u/let-def)\
**Replies:** 17\
**Last updated:** [September 11, 2026, 12:21pm UTC](https://discuss.ocaml.org/t/ann-introcaml-alpha-polymorphic-printing-and-introspection-for-ocaml/18407 "2026-09-11T12:21:15Z")

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We (@Shogan.ai) are excited to share an alpha preview of Introcaml, an extension of OCaml 5.5.0 that brings the power of toplevel-style introspection directly into user programs. What is Introcaml? The OCaml toplevel ha…

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## [\[ANN\] tiny\_httpd 0.22](https://discuss.ocaml.org/t/ann-tiny-httpd-0-22/18520)

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**Author:** [@c-cube](https://discuss.ocaml.org/u/c-cube)\
**Replies:** 2\
**Last updated:** [September 10, 2026, 12:36pm UTC](https://discuss.ocaml.org/t/ann-tiny-httpd-0-22/18520 "2026-09-10T12:36:24Z")

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Hi, I’m sedately excited to release tiny\_httpd 0.22. Tiny\_httpd is a HTTP 1.1 server, with basic support for websockets, SSE, and pluggable IO/concurrency (as long as it’s direct style). The goal is to keep it reasonabl…

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## [Call for Talk Proposals @ OCaml Workshop 2026](https://discuss.ocaml.org/t/call-for-talk-proposals-ocaml-workshop-2026/18192)

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**Author:** [@sudha](https://discuss.ocaml.org/u/sudha)\
**Replies:** 41\
**Last updated:** [September 10, 2026, 9:48am UTC](https://discuss.ocaml.org/t/call-for-talk-proposals-ocaml-workshop-2026/18192 "2026-09-10T09:48:10Z")

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Hi all! This year’s OCaml workshop will take place in Paris. We are happy to invite submissions to the workshop. Important Information Location: Paris (co-located with FPW 2026) Date: August 24th (Subject to change!)…

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## [Intel ISA specification interpreter/compiler is written in OCaml](https://discuss.ocaml.org/t/intel-isa-specification-interpreter-compiler-is-written-in-ocaml/18515)

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**Author:** [@edwin](https://discuss.ocaml.org/u/edwin)\
**Replies:** 0\
**Last updated:** [September 7, 2026, 4:41pm UTC](https://discuss.ocaml.org/t/intel-isa-specification-interpreter-compiler-is-written-in-ocaml/18515 "2026-09-07T16:41:48Z")

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Intel has recently published a beta executable specification for its ISA: A preview of the future IA documentation | Intel® 64 and IA-32 Architectures Software Developer’s Manual . Although approximations for an ISA spec…

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