Jet library (core):

-------------------
* ORM DataModel: dataFetch* - raw mode added
* Jet Form:
    Form_Renderer_Single->setCustomRenderer( ?Closure $custom_renderer ): void
    Form_Renderer_Single->getCustomRenderer(): ?Closure
    Form_Renderer_Single->renderByView() : string

* Bug fix: non-functional internal relations in entity inheritance
* Bug fix: Form_Field_Data: invalid default error code
* Bug fix: Form_Field_Range: better input value catcher
* Bug fix: Form_Field_Float: null value if input missing
* Bug fix: Form_Field_Int: null value if input missing

Jet Example App:
-------------------
* ErrorHandler_Display: output buffer clean in a case of fatal error

JetStudio:
-------------------
* Forms: Bug fix - null handling

Author: mirekmarek

_tools/studio/application/Classes/Forms/Class/Property.php

@@ -418,6 +418,7 @@ public function getTypeName() : string
 	 */
 	public function update( array $data ) : bool
 	{
+		
 		$ok = true;
 		try {
 
@@ -500,7 +501,7 @@ protected function generateAttribute_Field( array $data, ?string $force_type=nul
 
 		if(isset($data['main'])) {
 			foreach($data['main'] as $key=>$val) {
-				if($val==='' || $val===[] || $val===['','']) {
+				if($val==='' || $val===[] || $val===['',''] || $val===null) {
 					continue;
 				}
 				$new_attribute->setArgument($key, $val);
@@ -509,7 +510,7 @@ protected function generateAttribute_Field( array $data, ?string $force_type=nul
 
 		if(isset($data['other'])) {
 			foreach($data['other'] as $key=>$val) {
-				if($val==='' || $val===[] || $val===['','']) {
+				if($val==='' || $val===[] || $val===['',''] || $val===null) {
 					continue;
 				}