Mobile: (desktop only) new switch --testqml, allows to use qml files instead of resources. Mobile: ensure that all BT/BLE flavors of the OSTC are recognized as dive computers [#2358] Desktop: allow copy&pasting of multiple cylinders [#2386] Desktop: don't output random SAC values for cylinders without data [#2376] Mobile: add menu entry to start a support email, using native email client Mobile: fix subtle potential new data loss bug in first session connecting to a cloud account Planner: Add checkbox on considering oxygen narcotic Planner: Improve rounding of stop durations in planner notes Desktop: register changes when clicking "done" on dive-site edit screen Mobile: re-enable GPS location service icon in global drawer Core: support dives with no cylinders Core: remove restriction on number of cylinders Mobile: add support for editing the dive number of a dive Desktop: make dive replanning undoable Desktop: update statistics tab on undo or redo Planner: update dive details when replanning dive [#2280] Export: when exporting dive sites in dive site mode, export selected dive sites [#2275] Mobile: fix several bugs in the handling of incorrect or unverified cloud credentials Mobile: try to adjust the UI for cases with large default font relative to screen size libdivecomputer: - Add support for the Oceanic Geo 4.0 - clean up Shearwater tank pressure handling - minor fixlets --- * Always add new entries at the very top of this file above other existing entries and this note. * Use this layout for new entries: `[Area]: [Details about the change] [reference thread / issue]`