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Version: ver. 1.2.0


Version 1.2.0

Release date: 11 Jan 2023


  • Fix changing the order of widgets on component editing
  • Fix renaming components
  • Fix the disappearing images on component generation
  • Fix detaching components
  • Fix the generated code in SET_TEXT_VALUE_FROM_SLIDER
  • Make the launch screen scrollable on small resolutions too
  • Fix crating component from the hierachy
  • Fix file browser issue with Wayland
  • Fix the "hidden" feature
  • Fix saving the project settings window
  • Fix auto scrolling to the selected widget in the hierarchy panel

New features

  • Portable license option
  • Flex layout
  • Chart widget
  • “lvgl include path” setting in the Project settings
  • Scrollbar redesign
  • On Zoom In focus on the active screen
  • Hotkeys:
    • "a" center the active screen
    • "f" center the selected widget
  • Font manager keep the settings from the last generation
  • Allow renaming the generated fonts
  • Add Keyboard set text area action
  • Get board dynamically, on demand from GitHub
  • Add "None" option to Screen change types
  • Add padding style option to screen and button widgets
  • Add option to whether to add or not the screen name to the new widget
  • Add support for LVGL 8.3.4
  • Make it possible to style the list of the drop down widget.

Version 1.1.1

Release date: 05 Oct 2022


  • Many fixes for Undo
  • Fix memory leak
  • Fix renaming the children of components
  • Fix moving widgets with large zoom
  • Fix Calendar's C export

New features

  • LVGL version selector
  • In Preference you you can configure the length of the History
  • You can run more SLS instances simultaneously
  • Automatically the Screen name in the default name of the new widgets
  • In Project settings you can configure how to export ui_event file: ui_event.c, ui_event.cpp or none

Version 1.1.0

Release date: 01 Sept 2022


  • Fix the "Copy" feature in the Hierarchy panel
  • Fix the "Eye" (hide) feature in the Hierarchy panel
  • Fix non clickable elements on the right side of the screen
  • Fix saving the animation parameters when they have been changed.
  • Fix incorrectly exported blend mode
  • If an image has no alpha channel or all alpha values are 0xFF, generate LV_IMG_CF_TURE_COLOR images. If there is alpha channel export with LV_IMG_CF_TRUE_COLOR_ALPHA format.
  • Make SET_TEXT_VALUE_WHEN_CHECKED area multiline and fix text off
  • Do not allow setting the height of the Text area in one-line mode
  • Fix adding assets on MacOS
  • Improve peroformace
  • Fix export error for drop down list
  • Fix export error for slider increment event
  • Fix image rotation export error.
  • Fix hiding widgets with the eye icon in the hierarchy.
  • Fix issue with sing the lock icon
  • Fix exporting C code on macOS M1
  • Fix exporting the pivot for images
  • Save the test object of animations.

New features

  • Error and warning messages are added to the console window
  • Add "Force export all images" to project settings to export not only the used images but all images from the assets folder
  • Add Espressive boards: ESP-BOX, ESP Wrover Kit
  • Check if an image has or hasn't alpha channel and choose the color format accordingly
  • Add Open Board Platform
  • Add Components
  • Auto save
  • Add gesture events
  • Add an info popup when revoking the license
  • Add new animation features
  • Add "Check for update at start" checkbox in preferences

Version 1.0.5

Release date: 28 Marc 2022


  • Fix freeze on minimize
  • Fix missing theme into code in C
  • Fix export issue if an image was deleted- Set UI scale to 150% on HiDpi monitors
  • Add close button to "project cards" in the launcher
  • Improve performance
  • Auto-assign new names for child widgets on  copy
  • Add CJK character set to font converter (only common characters)
  • Update the image selector dropdown on the image widget if a new asset is added
  • Trigger Save confirmation popup on animation property change too
  • Allow position the selected widget with arrows
  • Add support for life-time license
  • New example project: Thermostat

Version 1.0.4

Release date: 11 Marc 2022


  • Fix typo in the "Ignore layout" flag
  • Fix error message when the trial period is over
  • Fix the missing option setting in the exported code of Roller and Checkbox
  • Fix the missing exported code for the Chart
  • Fix overwriting the content of ui_events.c on export
  • Include lvgl.h in ui.h in a more flexible way
  • In the exported code check if the color settings are correct
  • Add "ui_" prefix to the names of the widget in the exported py files to avoid conflict with reserved words

Version 1.0.3

Release date: 04 Marc 2022


  • Performance optimization
  • Line wrap on all images in
  • Fix rare crash when moving widgets in the hierarchy
  • Fix the exporting of the CLICKABLE flag on bar widget

Version 1.0.2

Release date: 23 February 2022


  • Fix error when loading the POS demo
  • "File->Save as..." saves the Assets folder too
  • Fix the Save button on the close confirmation pop up
  • Show the close confirmation pop up only if there were changes
  • On "Save" also save the project into a zip file and keep the last 10 versions 

Version 1.0.1

Release date: 21 February 2022


  • In the font manager the name of the fonts can start only with letters and can contain space and numbers
  • In the exported user "call function" actions pass the whole event structure as parameter
  • Instead of opening the example, create a new project from them
  • FOCUSED style is added to all widgets
  • Fix typo in the "Scroll direction" dropdown. "Top" was added twice and "Ver" was missing
  • Follow the changes in the licensing
  • Animations can be renamed
  • Collapsed animation panels remain collapsed when a new event is added