diff --git a/Cargo.toml b/Cargo.toml
index 6d48bc8d..fe72ee21 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rhai"
-version = "0.17.0"
+version = "0.18.0"
 edition = "2018"
 authors = ["Jonathan Turner", "Lukáš Hozda", "Stephen Chung"]
 description = "Embedded scripting for Rust"
@@ -73,9 +73,3 @@ optional = true
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 instant= { version = "0.1.4", features = ["wasm-bindgen"] } # WASM implementation of std::time::Instant
-
-[package.metadata.docs.rs]
-features = ["serde"]
-
-[package.metadata.playground]
-features = ["serde"]
diff --git a/RELEASES.md b/RELEASES.md
index 9cde45dd..938b4d2c 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,6 +1,11 @@
 Rhai Release Notes
 ==================
 
+Version 0.18.0
+==============
+
+
+
 Version 0.17.0
 ==============
 
@@ -31,6 +36,7 @@ New features
   This is particularly useful when converting a Rust `struct` to a `Dynamic` _object map_ and back.
 * `Engine::disable_symbol` to surgically disable keywords and/or operators.
 * `Engine::register_custom_operator` to define a custom operator.
+* `Engine::register_custom_syntax` to define a custom syntax.
 * New low-level API `Engine::register_raw_fn` and `Engine::register_raw_fn_XXX`.
 * New low-level API `Module::set_raw_fn` mirroring `Engine::register_raw_fn`.
 * `AST::clone_functions_only`, `AST::clone_functions_only_filtered` and `AST::clone_statements_only` to clone only part of an `AST`.
diff --git a/doc/src/context.json b/doc/src/context.json
index 506b72e1..025c159b 100644
--- a/doc/src/context.json
+++ b/doc/src/context.json
@@ -1,5 +1,5 @@
 {
-	"version": "0.17.0",
+	"version": "0.18.0",
 	"rootUrl": "",
 	"rootUrlX": "/rhai",
 	"rootUrlXX": "/rhai/vnext"