!!Interface changes
+- It is now possible to cancel background export processes. A menu entry
+ to do so will appear on the Document menu when such a process is underway.
+ The LFUN for this is export-cancel.
!!Documents compilation process and images conversion
!!!The following new LyX functions have been introduced in 2.4:
+LFUN_EXPORT_CANCEL: Used to cancel background export processes.
!!!The following LyX functions have been changed in 2.4:
!!Caveats when upgrading from earlier versions to 2.4.x
+!! If upgrading from a LyX version before 2.3.0
+
+* Please additionally see the release notes from the versions in-between:
+ https://wiki.lyx.org/LyX/ReleaseNotes