Use OCaml 5.3.0

Author: cknitt

.devcontainer/postCreate.sh

@@ -2,7 +2,7 @@
 
 # Install dev dependencies from OPAM
 opam init -y --bare --disable-sandboxing
-opam switch create 5.2.1 --packages ocaml-option-static
+opam switch create 5.3.0 --packages ocaml-option-static
 opam install . --deps-only -y
 
 # For IDE support, install the OCaml language server

.github/workflows/ci.yml

@@ -87,23 +87,23 @@ jobs:
       matrix:
         include:
           - os: ubuntu-24.04 # x64
-            ocaml_compiler: ocaml-variants.5.2.1+options,ocaml-option-static
+            ocaml_compiler: ocaml-variants.5.3.0+options,ocaml-option-static
             upload_binaries: true
             upload_libs: true
           - os: ubuntu-24.04-arm # ARM
-            ocaml_compiler: ocaml-variants.5.2.1+options,ocaml-option-static
+            ocaml_compiler: ocaml-variants.5.3.0+options,ocaml-option-static
             upload_binaries: true
             # Build the playground compiler and run the benchmarks on the fastest runner
             build_playground: true
             benchmarks: true
           - os: macos-13 # x64
-            ocaml_compiler: 5.2.1
+            ocaml_compiler: 5.3.0
             upload_binaries: true
           - os: macos-14 # ARM
-            ocaml_compiler: 5.2.1
+            ocaml_compiler: 5.3.0
             upload_binaries: true
           - os: windows-latest
-            ocaml_compiler: 5.2.1
+            ocaml_compiler: 5.3.0
             upload_binaries: true
 
           # Verify that the compiler still builds with older OCaml versions

CONTRIBUTING.md

@@ -47,7 +47,7 @@ Make sure you have [opam](https://opam.ocaml.org/doc/Install.html) installed on
 opam init
 
 # Any recent OCaml version works as a development compiler
-opam switch create 5.2.1 # can also create local switch with opam switch create
+opam switch create 5.3.0 # can also create local switch with opam switch create
 
 # Install dev dependencies from OPAM
 opam install . --deps-only --with-test --with-dev-setup -y