Release Notes - RC-20 Retro Color Here's a link to the Release Notes page for RC-20 Retro Color: https://www.xlnaudio.com/release_notes?filter=rc-20 Related articles RC-20 Retro Color Manual XLN Online Installer Regarding the “An important update is required for your XLN Audio products” email from XLN Audio Release Notes - XO RC-20 Retro Color Tutorial