Hello Flyout Community!
I'm pleased to announce that the QOL update (UNDO BUTTON!) is now available for testing on the "dev test" branch:

Patch Notes: Added:
Undo and Redo for nearly every action you can make in editor
New Cylinder part as a fuel tank
Warnings in editor related to disconnected parts and overwriting existing save files
Palette in Paint mode saves more colors
Ability to control clip distance for camera in editor
Pressing Right Mouse Button while scaling part now resets it back like with movement or rotation
Right Mouse Button to cancel now present in Cross Section Editor
Movement, Rotation and Scaling tools are now FPS independent and follow your mouse. Can set editor settings of those to 1
Blueprint toggle button to quickly hide/show them
Input fields for decimal numbers now accept separators other than dot
Straighten 3D and Bezier tools for Cross Section Editor
Field for Z-offset of Vertex in Cross Section Editor
Pressing P in editor now hides UI, Grid and current pink line in Cross Section Editor
Pressing G in editor now switches between Local and Global orientation
Target Mach warning for Rocket Motors attached to missiles with that value set
During flight missile info panel will now show its name and time of guidance
Using Trim with Gamepad/Joystick
Ability to delete Subassemblies by holding Shift while clicking on them
Game will ignore keyboard inputs when UnityExplorer external mod has active overlay
Changed:
Improved soft-locking behavior for mouse-free operations
Blend tool now acts on selected points only if they are selected
Rotor scale now shows diameter
Default size of Drop Tank is now for 1135L / 300 gal
Missile Objects' material settings can be applied to other parts
Symmetry now affects most actions in editor. Disabling symmetry might allow for modification of single part only
Stock crafts no longer have warning about saving before flight
Camera no longer moves when game is paused
Speed of camera movement in cockpit view using dedicated keys
Fixed:
Gamepad/Joystick not resetting properly
Basic Wheel having too high resistance
Landing Gear not having high enough rolling resistance
Landing Gear having different size in editor when clicked for some variants
Rotated Landing Gear being unstable (if it still does - increase diameter/spring)
Angular Acceleration not properly updating for inputs
Custom Solid Fuels not loading properly
Local rotation of already rotated part
Objects are no longer moved/rotated/scaled when cursor is over UI
Opacity of blueprints not persisting across loads
Blueprints remaining after creating new craft
Vertex in Cross Section Editor not updating position when scale / rotation / offset is changed
Straighten tool with point 0 selected
Solar panel collider
Drop Tank collider of end bits when scale is set to 0
Missile with dual seeker thinking it has lock too early under certain conditions
3-spool Turbines no longer have IPC and HPC tied
Rotor area and lift performance error
Typing in fields in editor triggering hotkeys
Custom Input name not refreshing in editor
Gun & Drum allowed calibers not matching in editor
Infinite loading bug with certain imported meshes
Exploding upon loading screen end with starting speed over Mach 1
Imported meshes not loading on another craft after launching to flight
Imported meshes not copying over to new craft when Save As feature is used
Bluetooth fuel for jettisoned parts
Mirroring persisting to duplicated parts under certain conditions
Wing getting messed up when switching sides
Moving tool floating after exiting Wing Edit mode
Separated wing pieces having weird interactions in Wing Edit mode
Mirrored wing points moving in opposite direction in specific scenario
Hitboxes of wing elements not updating while editing
Blurry UI when un-hidden during pause
Pressing Space in Cross Section Editor on scaled Fuselage would jump to wrong place
Not being able to box select points after cancelling move in Cross Section Editor
Wrong blade rotation when changing blade count on Propeller that is rotated
Mirrored turbine name after applying preset
Decimal point in Lofting Cut not saving correctly
Decimal point in Cruise Trim not saving correctly
Missile Cruise Guidance terminal mode activation too soon over the ocean
Missile Cruise Guidance over long distances
Pausing on Loading Screen under certain scenario soft-locking the game
Display of decimal numbers in Gauges
Rocket Motor sometimes not having a trail behind it
Fuel Dump's trail at certain scales moving in wrong direction
Fuel Dump having multiple info panels open, inconsistent toggle behavior
Fuel Dump trail re-connecting with old if re-enabled
Fuel Dump draining fuel with Infinite Fuel enabled
Fuel Tank order when current one is destroyed
Certain fuel tanks not having dry weight
"Paint All" in paint mode not saving
Paint from Subassemblies not saving
Paint from Subassemblies being identical for all instances
Changing material no longer gets rid of paint
Patch 0.2405 Added:
Ctrl+Y to undo option in Editor Settings (Ctrl+Shift+Z by default)
Mirror buttons to lights
Configuring control surfaces mirrors inputs if you have symmetry enabled
Fixed:
Palette add/remove height not updating
Text field in Paint mode not blocking shortcuts
Fuel dump trail when traveling fast
Movement tool in Wing Edit mode with sensitivity other than 1
Applying editor settings breaking undo/redo
Default material texture on FLIR
Shaped charge warhead with Nosecone selected
Trailing edge messing up after configuring on one side
Scaling loop points not undoing
Rotating loop using R-hotkey not undoing
Jammer lower bound being 400MHz instead of 300MHz