Release v0.4 + v0.5 to main (spec, conformance, docs)

README.md

@@ -10,7 +10,7 @@ A sandboxed expression language with JS/Python-familiar syntax, designed for dat
 | [xpr-lang/xpr-js](https://github.com/xpr-lang/xpr-js) | JavaScript/TypeScript runtime |
 | [xpr-lang/xpr-python](https://github.com/xpr-lang/xpr-python) | Python runtime |
 | [xpr-lang/xpr-go](https://github.com/xpr-lang/xpr-go) | Go runtime |
-| [xpr-lang/xpr-docs](https://github.com/xpr-lang/xpr-docs) | Documentation site |
+| [xpr-lang/xpr-docs](https://xpr-lang.github.io/xpr-docs/) | Documentation site |
 | [xpr-lang/xpr-playground](https://github.com/xpr-lang/xpr-playground) | Interactive playground |
 
 ## Spec
@@ -21,19 +21,28 @@ See [XPR-SPEC.md](./XPR-SPEC.md) for the complete language specification.
 
 The `conformance/` directory contains YAML test files organized by category:
 
-- `literals.yaml` — Number, string, boolean, null, array, object, template literals
+- `access.yaml` — Property access, optional chaining
 - `arithmetic.yaml` — Arithmetic operators, precedence, associativity
+- `collections.yaml` — Array collection methods (v0.1)
+- `collections_v5.yaml` — New array methods (v0.5): sortBy, take, drop, sum, avg, etc.
 - `comparison.yaml` — Equality and comparison operators
-- `logic.yaml` — Logical operators, ternary, nullish coalescing
-- `access.yaml` — Property access, optional chaining
+- `datetime.yaml` — Date/time functions (v0.3)
+- `destructuring.yaml` — Object and array destructuring (v0.4)
+- `examples.yaml` — End-to-end integration examples
+- `features_v5.yaml` — v0.5 features: math, type predicates, fromEntries, rest params
 - `functions.yaml` — Built-in functions, custom functions, arrow functions
-- `strings.yaml` — String methods
-- `collections.yaml` — Array collection methods
-- `pipe.yaml` — Pipe operator
 - `let.yaml` — Let bindings, scoping, shadowing, closures
+- `literals.yaml` — Number, string, boolean, null, array, object, template literals
+- `logic.yaml` — Logical operators, ternary, nullish coalescing
+- `math_v5.yaml` — Math functions and constants (v0.5)
+- `methods_v2.yaml` — v0.2 array, string, object methods and range()
+- `negative_indexing.yaml` — Negative array indexing (v0.3)
+- `pipe.yaml` — Pipe operator
+- `regex.yaml` — Regex functions (v0.3): matches, match, matchAll, replacePattern
+- `regex_literals.yaml` — Regex literal syntax and regex type (v0.4)
 - `spread.yaml` — Array and object spread operator
-- `methods_v2.yaml` — New array, string, object methods and range function (v0.2)
-- `examples.yaml` — End-to-end integration examples
+- `strings.yaml` — String methods
+- `type_predicates.yaml` — Type predicate functions (v0.5)
 
 See [conformance/SCHEMA.md](./conformance/SCHEMA.md) for the test format specification.