Support Julia 1.12 and 1.13, drop Julia 1.11

.gitignore

@@ -8,6 +8,8 @@ performance.png
 Manifest-v1.11.toml
 examples/Manifest-v1.12.toml
 Manifest-v1.12.toml
+examples/Manifest-v1.13.toml
+Manifest-v1.13.toml
 docs/Manifest.toml
 docs/build
 data/tmp_sinus.arrow

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## Unreleased
+### Changed
+- support Julia 1.12 and 1.13 only: `julia` compat `"1.12, 1.13"`, `Manifest-v1.11.toml.default`
+  is removed and `Manifest-v1.13.toml.default` added, `bin/install` offers Julia 1.12 and 1.13
+  (the default is 1.13 if it is the active juliaup channel), `bin/release` checks the manifests
+  of Julia 1.12 and 1.13, and the README and the docs no longer mention Julia 1.11
+
 ## KiteViewers v0.6.0 - 2026-08-13
 ### Added
 - `bin/release`, posting release notes to GitHub issue #13 to trigger JuliaRegistrator; checks

CLAUDE.md

@@ -86,9 +86,9 @@ Workspace-based: `Project.toml` declares `[workspace] projects = ["examples", "d
 target, and the test scripts activate it themselves with `TestEnv.activate()` when `KiteModels` is
 missing. `TestEnv` must be installed in the global environment.
 
-- **Install/setup**: `cd bin && ./install` (juliaup; asks for Julia 1.11 or 1.12, copies the matching
+- **Install/setup**: `cd bin && ./install` (juliaup; asks for Julia 1.12 or 1.13, copies the matching
   `Manifest-v1.xx.toml.default`, then resolves/instantiates the main, examples and docs projects).
-  The `Manifest-v1.11.toml`/`Manifest-v1.12.toml` files are gitignored; only the `.default` ones are
+  The `Manifest-v1.12.toml`/`Manifest-v1.13.toml` files are gitignored; only the `.default` ones are
   tracked. Regenerate a default with `examples/update_manifest.jl` and commit it.
 - **Launch a dev REPL**: `./bin/run_julia` (aliased to `jl` by the installer). It sets `NO_MTK=true`,
   picks GC/compute threads, and starts with `using KiteViewers`; it also picks up a