Yes I'm using 1.4 Beta with no problems.
In Spybot select Advanced Mode, in the left hand pane click Settings, then Settings again. Scroll down and tick Web update-Display available beta versions. Restart Spybot and you should be offered 1.4 Beta.
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?