docs: update

README.md

@@ -35,6 +35,23 @@ const errors: JsonError[] = jsonSchema.validate(myData);
 
 What follows is a description of the main draft methods.
 
+
+## Draft support
+
+`json-schema-library` supports almost all draft features. This sections lists currently unsupported features for each draft
+
+<details><summary>Draft 2019-09</summary>
+
+**Currently unsupported core features:**
+
+- `$recursiveRef` and `$recursiveAnchor` - are currently not supported
+- `$vocabulary` - meta-schemas are not parsed for enabled features
+- `unevaluatedItems: uncle-schema` - evaluation of uncle-schemas is not supported. Properties will be return as evaluated
+- `unevaluatedProperties: uncle-schema` - evaluation of uncle-schemas is not supported. Properties will be return as evaluated
+
+</details>
+
+
 ## Draft methods
 
 -   [validate](#validate)

lib/draft06/compile/index.ts

@@ -27,10 +27,12 @@ type Context = {
 };
 
 /**
- * @draft starting with _draft 2019-09_ plain name fragments are no longer
- * defined with $id, but instead with the new keyword $anchor
- * (which has a different syntax)
- * https://json-schema.org/draft/2019-09/release-notes#incompatible-changes
+ * @draft 6, 2019-09
+ * - starting with _draft 2019-09_ plain name fragments are no longer defined with $id,
+ *  but instead with the new keyword $anchor (which has a different syntax)
+ *  https://json-schema.org/draft/2019-09/release-notes#incompatible-changes
+ * - in _draft 2019-09_ only $recursiveAnchor and $recursiveRef have been introduced
+ * - starting with _draft 6_ id is named $id
  *
  * compiles the input root schema for $ref resolution and returns it again
  * @attention this modifies input schema but maintains object-structure