2.0.0:
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 * Declare strict types
 * Re-/Move UTF-8 lang file to plugin root for Styx 5.0
 * Use native htmlspecialchars()
 * Raise requirements for Styx 5.0

1.1:
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 * Secure external target _blank link(s) by living standard rel="noopener"

1.0:
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 * Sync add [de] translation

0.9:
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 * Added legal property bag information for gdpr/dsgvo