Yes, Josh. It came in 4.3. Yesterday we released 4.3.1 also. Once you upgrade to it you should be able to see this feature.

Hi Josh, You will find the Page Order tab and General, Page Layouts, and Print tabs in the template settings section. From the Page Order tab, you will find the option to merge page layouts. For the Back Page layout, you choose the option to merge with the Previous page. It will help you achieve wha...

Hi Eric, Out of :is(), :not(), :where() and :has(), - only :not() is supported right now.Work is going on for :is(), :has() and :where(). Expected to be supported by mid-next year. Thanks,Vivek

Please let us know the Guides version. This issues was there in between for a version but was subsequently fixed.

Did you double-click on the listed options?

You can do that using the Metadata report. It was released in 4.2, see the release notes link below. https://experienceleague.adobe.com/docs/experience-manager-guides-learn/tutorials/release-info/release-notes/on-prem-release-notes/42-release/42-whats-new/whats-new-4.2-release.html?lang=en 

Hi @syeshin1, it is possible using JavaScript in Native PDF. Any HTML form gets converted to an interactive form in PDF. You must also enable the option in the Advanced tab of the PDF output preset.

It will come in the next major release, 4.4, of on-prem which we are targeting for Jan 24. If you would like to beta-test it then we can make it available sooner. Do let us know.

This option got erroneously exposed. We are still working on it. Are you on Cloud or On-prem version? In the cloud, we target the next couple of months.

Not yet. We are still working on it.