diff --git a/xml/development/cpp.xml b/xml/development/cpp.xml
index 2796286d2e09..df53d4579d32 100644
--- a/xml/development/cpp.xml
+++ b/xml/development/cpp.xml
@@ -479,7 +479,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<mSeconds>
 			<x path="Float"/>
diff --git a/xml/development/cs.xml b/xml/development/cs.xml
index d8c736e39b7e..9735d25a913f 100644
--- a/xml/development/cs.xml
+++ b/xml/development/cs.xml
@@ -843,7 +843,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<fromNative get="inline" set="null" line="159" static="1"><f a="d">
 	<c path="cs.system.DateTime"/>
diff --git a/xml/development/flash.xml b/xml/development/flash.xml
index 8370363ed22c..a9a046adeacd 100644
--- a/xml/development/flash.xml
+++ b/xml/development/flash.xml
@@ -423,7 +423,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<getTime public="1" set="method">
 			<f a=""><x path="Float"/></f>
diff --git a/xml/development/hl.xml b/xml/development/hl.xml
index 4d4ea7dca4b7..b5a1dd714e1c 100644
--- a/xml/development/hl.xml
+++ b/xml/development/hl.xml
@@ -433,7 +433,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<date_new set="method" line="162" static="1">
 			<f a="year:month:day:hours:minutes:seconds">
diff --git a/xml/development/info.json b/xml/development/info.json
index 8df3c1ed9aca..76daa33c962e 100644
--- a/xml/development/info.json
+++ b/xml/development/info.json
@@ -1,4 +1,4 @@
   {
-    "commit": "27eaca2803409ea67e1df02d2cad2bdc202ed8c5",
+    "commit": "b6e55bf266b5470dff6125f22e33350f0afe76d7",
     "branch": "development"
   }
diff --git a/xml/development/java.xml b/xml/development/java.xml
index 5db29ae7c5cc..2f5b7c426407 100644
--- a/xml/development/java.xml
+++ b/xml/development/java.xml
@@ -497,7 +497,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<date><c path="java.util.Calendar"/></date>
 		<dateUTC><c path="java.util.Calendar"/></dateUTC>
diff --git a/xml/development/js.xml b/xml/development/js.xml
index 1f86617d5476..5c694a183eee 100644
--- a/xml/development/js.xml
+++ b/xml/development/js.xml
@@ -426,7 +426,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<getTime public="1" set="method">
 			<f a=""><x path="Float"/></f>
diff --git a/xml/development/lua.xml b/xml/development/lua.xml
index 21f05d99b030..e61a03382cbe 100644
--- a/xml/development/lua.xml
+++ b/xml/development/lua.xml
@@ -425,7 +425,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<d><t path="lua.DateType"/></d>
 		<dUTC><t path="lua.DateType"/></dUTC>
diff --git a/xml/development/macro.xml b/xml/development/macro.xml
index d98f53018057..50ecd4bfeb9a 100644
--- a/xml/development/macro.xml
+++ b/xml/development/macro.xml
@@ -423,7 +423,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<getTime public="1" set="method">
 			<f a=""><x path="Float"/></f>
diff --git a/xml/development/neko.xml b/xml/development/neko.xml
index a6fc80b87e34..6e8fa9e4f750 100644
--- a/xml/development/neko.xml
+++ b/xml/development/neko.xml
@@ -589,7 +589,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<new1 set="method" line="117" static="1"><f a="t">
 	<d/>
diff --git a/xml/development/php.xml b/xml/development/php.xml
index 7b7ac95e544f..4672476fee9a 100644
--- a/xml/development/php.xml
+++ b/xml/development/php.xml
@@ -568,7 +568,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<__t><x path="Float"/></__t>
 		<getTime public="1" set="method" line="33">
diff --git a/xml/development/python.xml b/xml/development/python.xml
index c39c72925a2d..80ccd67ed83a 100644
--- a/xml/development/python.xml
+++ b/xml/development/python.xml
@@ -479,7 +479,9 @@
 		- `"hh:mm:ss"`
 
 		The first two formats expressed a date in local time. The third is a time
-		relative to the UTC epoch.</haxe_doc>
+		relative to the UTC epoch.
+
+		If `s` does not match these formats, the result is unspecified.</haxe_doc>
 		</fromString>
 		<date><c path="python.lib.datetime.Datetime"/></date>
 		<dateUTC><c path="python.lib.datetime.Datetime"/></dateUTC>