Merge pull request #172 from neos/task/adjust-to-fluid

TASK: Adjust to Fluid changes

Merge pull request #170 from neos/bugfix/type-compatibility-tweaks

TASK: Fix warnings with PHP 8 about incompatible (return) types

Merge remote-tracking branch 'origin/5.3'

Merge pull request #166 from neos/bugfix/rendervalues-php8-compat

BUGFIX: Fix RenderValuesViewHelper PHP 8+ compatibility

Merge pull request #160 from neos/bugfix/156-make-form-state-availabl…

…e-onsubmit

BUGFIX: Update form state upon element submission

Merge pull request #158 from rkrahnen/master

BUGFIX: NotEmptyValidator not working for radios and file inputs

Merge pull request #155 from punktDeForks/feature/no-null-values-on-i…

…nitialization

TASK: on formRuntime initialization do not overwrite formState values for non existend request arguments

Merge branch '5.1'

Merge branch '5.0' into 5.1

Merge pull request #145 from neos/bugfix/143-allow-arbitrary-objects-…

…in-formstate

BUGFIX: Allow arbitrary objects in the FormState