Today, Apple released iOS 18.3 beta 1 for developers. It's not apparent what and if there are any new features, but there do seem to be some bug fixes to Genmoji and other Apple Intelligence features.
Samsung has started rolling out the One UI 7 beta 2 update. The new update brings a host of bug fixes and performance improvements. One UI 7 beta 2 is now rolling out in the US, UK, Germany ...