You are hearing about first on the Xojo Forum!
For the next 24 hours all Xojo licenses are 20% off! Just visit https://store.xojo.com/ (for new licenses) or https://xojo.com/account/licenses/renew.php (for renewals) and choose your license. You’ll see the discount applied in the cart.
Don’t delay this is a flash sale and this special discount will only be around for 24 hours!