Lönn β - 0.9.0

• Added tool for creating, editing, and moving rooms
• Added hotkey to focus the search field (Ctrl + F)
• Added hotkeys for quickly switching between tools (1-9 on the number row)
• Added missing hotkey setting for Zoom to Map Extents
• Added angle fix max rotation property to Bird Path
• You can now undo and redo room creation and deletion
• You can now delete a keybind by pressing nothing for five seconds
• The create room window now closes after creating a room
• Creating or deleting a room no longer moves the map view
• Fixed crash when using the brush tool with no room selected
• Fixed the map view jumping around in some cases of undo and redo
• Fixed crash when clicking on the dependencies notification on a new map
• Fixed adding and removing a favourite scrolling the list
• Fixed obscure crash with swapping rooms after opening a property window

For developers:

• Added setting to log sprite loading information

Lönn β - 0.8.0

• Added a settings window. Allows configuring the program easily, including changing all keybinds to anything you like.
• Added depth attribute to decals. Allows specifying custom depths for individual decals.
• Added feature to select all elements similar to current selection on Shift + double left click. Hold Ctrl for more strict similarity checks.
• Added hotkey to clear the current selection (Ctrl + Shift + A)
• Added file picker to parallax texture field in the styleground window
• Added support for undoing entity and trigger attribute changes
• Added new metadata option from Everest to keep cassette music active during room transitions
• Added angle fix attribute to Bird Path
• Added new AppImage build for Linux users to download
• Triggers are now coloured based on their general category.
• Triggers of specific categories can now be individually shown or hidden in the View menu
• Layers that were hidden from view will now be visible while using a tool that modifies the layer
• Placed triggers now don't display the mod they are from. This can be re-enabled in the settings.
• Windows can no longer be moved out of bounds
• Redraw Map button now also reloads Tileset XML
• Improved display of decimal numbers in property windows
• Fixed being unable to place tiles in a part of the room after resizing the room and undoing the changes
• Fixed being unable to make rooms smaller than minimum size in room window
• Fixed saving properties not removing the mark for unsaved changes
• Fixed incorrect name for the persistent attribute in Crumble Wall On Rumble
• Fixed detection of steam installations of Celeste on MacOS
• Fixed Fling Bird depth being 0 instead of -1

For developers:

• Added the category field to trigger plugins to set the colour and grouping of the trigger
• Added the list form field for more easily comma-separated lists of values (Icon by Flagpole1up)
• Added the ability to specify the alpha value in the color form field. Enable useAlpha for this.
• Added searchable dropdowns. Enable searchable for this.
• Added drawable_text object to add to sprites
• Added setAdditionalOffset to drawable_sprite to offset a sprite after justification and padding
• The offset field on entity and trigger plugins now uses setAdditionalOffset

Lönn β - 0.7.10

• Fixed crash when trying to edit certain entities or triggers

Lönn β - 0.7.9

• Added config option to never shrink sidebars
• Added controller support
• Entities may now be resized below their minimum size in the property menu
• Most windows now display when there are unsaved changes in the window title
• Various improvements to tooltips (thanks @Kalobi)
• Fixed visual bugs when cutting selections
• Fixed crash with zooming to map extents when a map has no rooms
• Fixed occasional crash when changing placement type
• Fixed Lönn not launching if you never installed a program on Windows before

For developers:

• Plugin functions such as canResize may now return either two values or a table with two values
• Added warnBelowSize and warnAboveSize as alternatives to minimumSize and maximumSize if resizing below the minimum should be possible but only through the property menu and with a warning around the property field
• Custom form field validation now has access to all field metadata through the read-only property metadata.formData. In entity properties, this allows for basing field content validity on the contents of other fields.

Lönn β - 0.7.8

• Added "Zoom to Extents" as a button in the View menu
• Added an indicator in the window title when there are unsaved changes
• Cycling through overlapping objects now prioritizes selecting entities and triggers, then decals, then tiles
• Tile-based entities now place with the previously selected brush material by default
• Selecting "Dependencies Only" view for unpackaged/unsaved maps now only shows objects from Celeste and Everest
• Loading very large maps is slightly faster now
• Improved display of the map name in window title
• Creating a new room now selects it in the room list
• Fixed the wrong material being selected after swapping tools
• Fixed search field clearing out when it shouldn't
• Fixed crash when using navigation keys with no item selected
• Fixed crash when cancelling map image saving
• Fixed property text fields sometimes showing up as invalid when they aren't
• Fixed entity/trigger property window ignoring minimum and maximum width/height limits
• Fixed some cases of visual oddities when using the selection tool
• Fixed room list not rearranging when undoing a room name change
• Fixed issues with clicking and dragging tile placements
• Fixed startup screen message on MacOS for first launch
• Fixed tile rendering at room borders

For developers:

• Added helper functions for setting layer flags
• Note: Tile-based entities placing with the previously selected brush material needs to be implemented for each entity individually and is opt-in.

Lönn β - 0.7.7

• Added hotkey to zoom to map extents (double middle click)
• Added onSpawn attribute to event trigger
• Room list context menu now stays open until unfocused
• Fixed room list not visually updating when selecting a room
• Fixed material list not visually updating when cloning a material
• Fixed the program not opening in portable mode
• Fixed editor hotkeys not working after clicking in a list
• Fixed custom tile display names not appearing for fake tiles
• Fixed normal fling bird always being placed with nodes
• Fixed first item in material list visually being selected when cloning with an active search filter
• Fixed material lists not being persistent
• Fixed weird behaviour when selecting rooms with an active search filter
• Fixed the program not starting on some Windows systems with non-Latin usernames

For developers:

• Added editorDebugReloadEverything event for Ctrl+F5
• Added editorSceneChanged event for scene changes
• Added functions to get/set selection tool targets
• Added fallback rendering for entities that have no drawing function implemented
• Fixed error when a library returns nil or false

Lönn β - 0.7.6

• Fixed air tiles not appearing in the brush tools
• Fixed Fireball entity being placed without nodes

Lönn β - 0.7.5

• Added the ability to select "Dependencies Only" for entities, triggers, and decals individually
• Added the ability to fuzzy search by starting the search text with a tilde ~ sign
• Added selection area flipping with Shift + V and Shift + H
• Added the ability to filter for Vanilla objects by entering @Vanilla or @Celeste in the search field
• Added being able to name tilesets in the editor by setting the displayName attribute in the XML file.
• Added missing vanilla options for planets styleground and made the planet size editable
• Added missing colour attribute to windsnow styleground
• Added the ability to select Vanilla icons in metadata window
• Added the ability to navigate lists using the arrow keys
• Added the ability to rearrange items in the styleground window using Alt + Arrow keys
• Tilesets now display without their path. Change the display name if you have collisions.
• Cleaned up decal texture attribute field
• Everest Flag trigger now sets flags by default
• Improved visuals of lightbeams when resizing
• Fixed wrong attribute names in Temple Mirror entity
• Fixed Fling Bird entity being placed without nodes
• Fixed wrong direction attributes in Tentacle styleground
• Fixed the display of tiles with padding and the ignores attribute
• Fixed issue on first startup when you close the file picker window
• Fixed issue with selecting Vanilla rooms as starting rooms in metadata window
• Fixed nodes being added to the wrong layer
• Fixed placement tooltip text not being shown
• Fixed favourites breaking the correct display of lists
• Fixed invalid button states in forms
• Fixed visual bug with text fields
• Fixed temple gate placing at the wrong height. Again (again (again)).
• Fixed room list not working when there is no room selected
• Fixed new rooms not being selected after room creation
• Fixed crash when pasting selections with no room selected

For developers:

• Triggers can now render with custom text using the triggerText function
• Vanilla textures can now be valid file paths for texture fields using the celesteAtlas

Lönn β - 0.7.4

• Fixed crash when copy-pasting tiles
• Fixed crash with recent files menu when there are no recent files

Lönn β - 0.7.3

• Fixed trigger placements not working
• Fixed default ambience