2.1.5

Maven

API changes

• Pull 5616: Add Single.delay overload that delays errors.
• Pull 5624: Add onTerminateDetach to Single and Completable.

Documentation changes

• Pull 5617: Fix Observable.delay & Flowable.delay javadoc.
• Pull 5637: Fixing JavaDoc warnings.
• Pull 5640: Additional warnings for fromPublisher().

Bugfixes

• No bugs were reported.

Other

• Pull 5615: Add missing license headers.
• Pull 5623: Fix incorrect error message in SubscriptionHelper.setOnce
• Pull 5633: Upgrade to Gradle 4.2.1, remove nebula plugin, replace it with custom release logic.
• Pull 5644: Add Java 9 automatic module name suggestion to MANIFEST.MF.