egui is an easy-to-use immediate mode GUI for Rust that runs on both web and native.

Try it now: https://www.egui.rs/

egui changelog

⚠️ BREAKING

• Always set response.hovered to false when dragging another widget #3860
• InputState::scroll_delta has been replaced by InputState::raw_scroll_delta and InputState::smooth_scroll_delta #3884
• Improve Response.dragged, drag_started and clicked #3888

⭐ Added

• Selectable text in Labels #3814 #3870
• Add some drag-and-drop-related APIs in Response and Memory #3876 (thanks @abey79!)
• Add drag-and-drop APIs with payloads storage #3887
• ComboBox: add builder method for height #3001 (thanks @hinto-janai!)
• Add keys ?, /, | #3820
• Add Response::contains_pointer #3859
• Add Align2::anchor_size #3863
• Add Context::debug_text #3864
• Allow read access to shapes added to painter this frame #3866 (thanks @brunizzl!)
• Register callbacks with Context::on_begin_frame and on_end_frame #3886
• Improve Frame API to allow picking color until after adding content #3889
• Add opacity factor to TextShape #3916 (thanks @StratusFearMe21!)
• Context::repaint_causes: file:line of what caused a repaint #3949
• Add TextureOptions::wrap_mode #3954 (thanks @CodedNil!)
• Add Spacing::menu_width #3973

🔧 Changed

• Move text selection logic to own module #3843
• Smooth scrolling #3884
• Turn off text wrapping by default in combo-box popups #3912
• Response.context_menu now returns the response of the context menu, if open #3904 (thanks @AufarZakiev!)
• Update to puffin 0.19 #3940
• Wait with showing tooltip until mouse has been still for 300ms #3977

🐛 Fixed

• Fix: dragging to above/below a TextEdit or Label will select text to begin/end #3858
• Fix clickable widgets blocking scrolling on touch screens #3815 (thanks @lucasmerlin!)
• Fix stable_dt #3832
• Bug Fix : Response::is_pointer_button_down_on is now false the frame the button is released #3833 (thanks @rustbasic!)
• Use runtime knowledge of OS for OS-specific text editing #3840
• Fix calling request_repaint_after every frame causing immediate repaint #3978

🚀 Performance

• Niche-optimize Id so that Option<Id> is the same size as Id #3932
• Parallel tessellation with opt-in rayon feature #3934

eframe changelog

• Update wgpu to 0.19 #3824
• Disable the default features of wgpu #3875
• Much more accurate cpu_usage timing #3913
• Update to puffin 0.19 #3940

Desktop/Native:

• Keep ViewportInfo::maximized and minimized up-to-date on Windows #3831 (thanks @rustbasic!)
• Handle IconData::default() without crashing #3842
• Fix Android crash on resume #3847 #3867 (thanks @Garoven!)
• Add WgpuConfiguration::desired_maximum_frame_latency #3874
• Don't call App::update on minimized windows #3877 (thanks @rustbasic!)

Web:

• When using wgpu on web, eframe will try to use WebGPU if available, then fall back to WebGL #3824 #3895 (thanks @Wumpf!)