Window resizing is laggy in release mode
Author: lzm-buildCreated Jul 31, 2026Updated Sep 17, 2026
Labelsa:renderer-femtovg
Bug Description
git clone https://github.com/slint-ui/slint-rust-template.git
cd slint-rust-template
# modify Cargo.toml(update `slint` and `slint-build` to `1.17.1`)
cargo run --release --features 'slint/backend-winit-wayland,slint/renderer-femtovg-wgpu' --no-default-featureshttps://github.com/user-attachments/assets/6fba3537-87f5-4e08-a8ce-9ba5f8b177c3
Reproducible Code (if applicable)
Environment Details
- Slint Version: 1.17.1
- Platform/OS: linux fedora44
- Programming Language: Rust
- Backend/Renderer: winit-wayland/femtovg-wgpu
Product Impact
No response
Source: slint-ui/slint