s9e\TextFormatter\Configurator\TemplateForensics has been renamed to
s9e\TextFormatter\Configurator\Items\Template::getForensics() has been renamed to
s9e\TextFormatter\Plugins\MediaEmbed\Configurator\SiteDefinitionProvider interface has been removed.
$configurator->MediaEmbed->defaultSites is now an iterable collection that implements the
ArrayAccess interface. See its API.
s9e\TextFormatter\Parser\Tag::setSortPriority() has been deprecated. It will emit a warning upon use and will be removed in a future version.
The following methods now accept an additional argument to set a tag's priority at the time of its creation: