Oneplus and Oneplus 3T are one of the most latest devices received with new OxygenOS beta updates features including a brand new launcher. Oneplus and Oneplus 3T is the recorded devices which only have few non pixel and non nexus devices with beta update. The company rolled out the beta update jam packed feature like Google pixel swipe up gesture.
To be clear, if you are running on the latest stable version which is probably OxygenOS 4.1.1 (Android 7.1.1) on your OnePlus 3 and OnePlus 3T, i think you will need to install the update via USB side load which involves wiping user data. According the new feature of OxygenOS beta 13 and beta 4 is also available in new launcher as same as pixel launcher. Due to this new app you can get round icons as you need or want. Further, Oneplus also new technologies like notification denoising which basically introduced the peek notification also allowed the secure box to save your private information. One more interesting thing is quick play, the feature quick play is the new and the different feature which provide us many facilities like paytm, wechat etc. further more Oneplus have gaming fun as well as different mode like do not disturb. more interesting night mode available can set based on the timing.
Here is the full changelog for Open Beta 13 for OnePlus 3 and Open Beta 4 for OnePlus 3T:
All new launcher, added support for shortcuts on 7.1.1
Redesigned app drawer
Redesigned UI for launcher settings>>Added status bar icon option to display real time network speed
Added Notification Denoising
Added Gaming Do Not Disturb mode
Added automatic Night Mode
Added Secure Box for file encryption
Optimized touch latency
Optimized camera EIS for videos
Improved contacts management with linking and merge functions
Added quick pay option for India
Bug fixes and general improvements