Endless OS 5.1.1~beta1 has been published. It includes some fixes:
- The screen no longer takes 10–20 seconds to switch on after suspending and resuming the computer.
- Fix boot failure on some models with enabled Intel® Rapid Storage Technology (Intel® RST) feature, such as Acer Nitro AN515-54.
Here is the draft release note: https://support.endlessos.org/en/endless-os/release-notes/5-1-1
Besides, https://support.endlessos.org/en/dev/beta-testing shows how to track the beta branch, if you’d like join the testing.