The herrera-io package is abandoned and no longer maintained. The author suggests using the kherge/json package instead.

[DERNERSERFT]

symfony/console suggests installing symfony/event-dispatcher
symfony/console suggests installing symfony/process
nette/utils suggests installing ext-intl (for script transliteration in Strings::webalize() and toAscii())
nette/application suggests installing nette/forms (Allows to use Nette\Application\UI\Form)
Package herrera-io/version is abandoned, you should avoid using it. No replacement was suggested.
Package herrera-io/json is abandoned, you should avoid using it. Use kherge/json instead.
Package herrera-io/phar-update is abandoned, you should avoid using it. No replacement was suggested.