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changelog: alpha1 for OCaml 5.3.0 (#2711)
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title: OCaml 5.3.0 - First Alpha | ||
description: First Alpha Release of OCaml 5.3.0 | ||
tags: [ocaml] | ||
--- | ||
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Four months after the release of OCaml 5.2.0, the set of new features for the | ||
future version 5.3.0 of OCaml has been frozen. We are thus happy to announce the | ||
first alpha release for OCaml 5.3.0. | ||
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This alpha version is here to help fellow hackers join us early in our bug | ||
hunting and opam ecosystem fixing fun (see below for the installation | ||
instructions). More information about the whole release process is now available | ||
in the [compiler | ||
repository](https://github.com/ocaml/ocaml/blob/trunk/release-info/introduction.md), | ||
and we will try to propagate this information to ocaml.org shortly. | ||
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The progresses on stabilising the ecosystem are tracked on the [opam readiness for 5.3.0 meta-issue](https://github.com/ocaml/opam-repository/issues/26596). | ||
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The full release is expected around November, see the [new prospective | ||
calendar](https://github.com/ocaml/ocaml/blob/trunk/release-info/calendar.md) | ||
for more information. | ||
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If you find any bugs, please report them on [OCaml's issue | ||
tracker](https://github.com/ocaml/ocaml/issues). | ||
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If you are interested in the ongoing list of new features and bug fixes, the | ||
updated change log for OCaml 5.3.0 is available | ||
[on GitHub](https://github.com/ocaml/ocaml/blob/5.3/Changes). | ||
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--- | ||
## Installation Instructions | ||
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The base compiler can be installed as an opam switch with the following commands | ||
on opam 2.1 and later: | ||
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```bash | ||
opam update | ||
opam switch create 5.3.0~alpha1 | ||
``` | ||
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The source code for the alpha is also available at these addresses: | ||
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* [GitHub](https://github.com/ocaml/ocaml/archive/5.3.0-alpha1.tar.gz) | ||
* [OCaml archives at Inria](https://caml.inria.fr/pub/distrib/ocaml-5.3/ocaml-5.3.0~alpha1.tar.gz) | ||
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### Fine-Tuned Compiler Configuration | ||
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If you want to tweak the configuration of the compiler, you can switch to the option variant with: | ||
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```bash | ||
opam update | ||
opam switch create <switch_name> ocaml-variants.5.3.0~alpha1+options <option_list> | ||
``` | ||
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where `option_list` is a space separated list of `ocaml-option-*` packages. For instance, for a flambda and no-flat-float-array switch: | ||
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```bash | ||
opam switch create 5.3.0~alpha1+flambda+nffa ocaml-variants.5.3.0~alpha1+options ocaml-option-flambda ocaml-option-no-flat-float-array | ||
``` | ||
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All available options can be listed with `opam search ocaml-option`. |