[ty] Use 3.14 as the default version

Author: sharkdp

crates/ruff_python_ast/src/python_version.rs

@@ -67,8 +67,8 @@ impl PythonVersion {
     }
 
     pub const fn latest_ty() -> Self {
-        // Make sure to update the default value for  `EnvironmentOptions::python_version` when bumping this version.
-        Self::PY313
+        // Make sure to update the default value for `EnvironmentOptions::python_version` when bumping this version.
+        Self::PY314
     }
 
     pub const fn as_tuple(self) -> (u8, u8) {

crates/ty/docs/cli.md

@@ -85,7 +85,7 @@ pub(crate) struct CheckCommand {
     ///    and use the minimum version from the specified range
     /// 2. Check for an activated or configured Python environment
     ///    and attempt to infer the Python version of that environment
-    /// 3. Fall back to the latest stable Python version supported by ty (currently Python 3.13)
+    /// 3. Fall back to the latest stable Python version supported by ty (see `ty check --help` output)
     #[arg(long, value_name = "VERSION", alias = "target-version")]
     pub(crate) python_version: Option<PythonVersion>,
 

crates/ty/docs/configuration.md

@@ -520,8 +520,8 @@ pub struct EnvironmentOptions {
     /// to reflect the differing contents of the standard library across Python versions.
     #[serde(skip_serializing_if = "Option::is_none")]
     #[option(
-        default = r#""3.13""#,
-        value_type = r#""3.7" | "3.8" | "3.9" | "3.10" | "3.11" | "3.12" | "3.13" | <major>.<minor>"#,
+        default = r#""3.14""#,
+        value_type = r#""3.7" | "3.8" | "3.9" | "3.10" | "3.11" | "3.12" | "3.13" | "3.14" | <major>.<minor>"#,
         example = r#"
             python-version = "3.12"
         "#

crates/ty/src/args.rs

@@ -5510,14 +5510,6 @@ mod tests {
             });
 
         for class in KnownClass::iter() {
-            // Until the latest supported version is bumped to Python 3.14
-            // we need to skip template strings here.
-            // The assertion below should remind the developer to
-            // remove this exception once we _do_ bump `latest_ty`
-            assert_ne!(PythonVersion::latest_ty(), PythonVersion::PY314);
-            if matches!(class, KnownClass::Template) {
-                continue;
-            }
             assert_ne!(
                 class.to_instance(&db),
                 Type::unknown(),

crates/ty_project/src/metadata/options.rs

@@ -63,7 +63,7 @@ pub(crate) struct Environment {
     ///
     /// By default, the Python version is inferred as the lower bound of the project's
     /// `requires-python` field from the `pyproject.toml`, if available. Otherwise, the latest
-    /// stable version supported by ty is used, which is currently 3.13.
+    /// stable version supported by ty is used (see `ty check --help` output).
     ///
     /// ty will not infer the Python version from the Python environment at this time.
     pub(crate) python_version: Option<PythonVersion>,