Apple has released new betas for developers, highlighted with the fourth beta of iOS 12.1.3. Here’s what’s available today:

• macOS Mojave 10.14.3 beta 4 (18D39a)
• iOS 12.1.3 beta 4 (16D5039a)

This beta 4 release of iOS 12.1.3 comes only three days after the third beta, and the accelerated timeline suggests a final public release may be coming sooner, rather than later.

No word on what’s new aside from the usual bug fixes and performance improvements, but stay tuned.