diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7cb72763..9ad2ccc9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,16 +1,4 @@
-x.x.x Release notes (yyyy-MM-dd)
-=============================================================
-### Breaking changes
-* None
-
-### Enhancements
-* Added `isValid()` method to `Results` and `List` to ensure objects have not been deleted or
-  invalidated
-
-### Bugfixes
-* None
-
-0.13.0 Release notes (2016-5-16)
+0.13.0 Release notes (2016-5-19)
 =============================================================
 ### Breaking changes
 * With this release we have switched over to a new cross platform compatible date format.
@@ -28,6 +16,7 @@ x.x.x Release notes (yyyy-MM-dd)
 * Fix a memory leak caused by constructing a Realm instance of an already opened Realm.
 * Fix for better supporting hot module reloading.
 * Fix for some warnings when using `ListView` with React Native 0.25+
+* Fix for queries that use a keypath starting with "not".
 
 0.12.0 Release notes (2016-5-4)
 =============================================================
diff --git a/docs/realm.js b/docs/realm.js
index 4d4e2213..ade8d8a8 100644
--- a/docs/realm.js
+++ b/docs/realm.js
@@ -233,8 +233,7 @@ Realm.defaultPath;
  * @property {number} "double" - Property may be assigned any number, and will have no loss
  *   of precision.
  * @property {string} "string" - Property value may be any arbitrary string.
- * @property {Date} "date" - Property may be assigned any `Date` instance, but will be stored
- *   with second-level precision (a fix for this is in progress).
+ * @property {Date} "date" - Property may be assigned any `Date` instance.
  * @property {ArrayBuffer} "data" - Property may either be assigned an `ArrayBuffer`
  *   or `ArrayBufferView` (e.g. `DataView`, `Int8Array`, `Float32Array`, etc.) instance,
  *   but will always be returned as an `ArrayBuffer`.
diff --git a/package.json b/package.json
index ed52b6b3..22944d6a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "realm",
   "description": "Realm is a mobile database: an alternative to SQLite and key-value stores",
-  "version": "0.13.0-rc",
+  "version": "0.13.0",
   "license": "Apache-2.0",
   "homepage": "https://realm.io",
   "keywords": [
diff --git a/src/object-store/src/parser/parser.cpp b/src/object-store/src/parser/parser.cpp
index 6b981b3e..07b97bb4 100644
--- a/src/object-store/src/parser/parser.cpp
+++ b/src/object-store/src/parser/parser.cpp
@@ -24,6 +24,9 @@
 #include <pegtl/analyze.hh>
 #include <pegtl/trace.hh>
 
+// String operators (e.g. AND, OR, NOT) can't be followed by [A-z0-9_].
+#define string_operator_t(s) seq< pegtl_istring_t(s), not_at< identifier_other > >
+
 using namespace pegtl;
 
 namespace realm {
@@ -93,11 +96,11 @@ struct group_pred : if_must< one< '(' >, pad< pred, blank >, one< ')' > > {};
 struct true_pred : pegtl_istring_t("truepredicate") {};
 struct false_pred : pegtl_istring_t("falsepredicate") {};
 
-struct not_pre : seq< sor< one< '!' >, pegtl_istring_t("not") > > {};
+struct not_pre : seq< sor< one< '!' >, string_operator_t("not") > > {};
 struct atom_pred : seq< opt< not_pre >, pad< sor< group_pred, true_pred, false_pred, comparison_pred >, blank > > {};
 
-struct and_op : pad< sor< two< '&' >, pegtl_istring_t("and") >, blank > {};
-struct or_op : pad< sor< two< '|' >, pegtl_istring_t("or") >, blank > {};
+struct and_op : pad< sor< two< '&' >, string_operator_t("and") >, blank > {};
+struct or_op : pad< sor< two< '|' >, string_operator_t("or") >, blank > {};
 
 struct or_ext : if_must< or_op, pred > {};
 struct and_ext : if_must< and_op, pred > {};
diff --git a/src/object-store/tests/parser.cpp b/src/object-store/tests/parser.cpp
index 93d5f159..15c5cf2c 100644
--- a/src/object-store/tests/parser.cpp
+++ b/src/object-store/tests/parser.cpp
@@ -66,6 +66,9 @@ static std::vector<std::string> valid_queries = {
     "!(0=0)",
     "! (0=0)",
     "NOT0=0",   // keypath NOT0
+    "NOT0.a=0", // keypath NOT0
+    "NOT0a.b=0", // keypath NOT0a
+    "not-1=1",
     "not 0=0",
     "NOT(0=0)",
     "not (0=0)",
@@ -121,6 +124,7 @@ static std::vector<std::string> invalid_queries = {
     "(0=0))",
     "! =0",
     "NOTNOT(0=0)",
+    "not.a=0",
     "(!!0=0)",
     "0=0 !",
 
@@ -130,7 +134,10 @@ static std::vector<std::string> invalid_queries = {
     "a==a &| a==a",
     "a==a && OR a==a",
     "a==aORa==a",
-    //"a=1ANDNOT b=2",
+    "a==a ORa==a",
+    "a==a AND==a",
+    "a==a ANDa==a",
+    "a=1ANDNOT b=2",
 
     "truepredicate &&",
     "truepredicate & truepredicate",