Bump egui-wgpu from 0.34.3 to 0.35.0

[dependabot]

Bumps egui-wgpu from 0.34.3 to 0.35.0.

Release notes

Sourced from egui-wgpu's releases.

0.35.0 - Inspection, egui_mcp, classes and improved IME

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 development is sponsored by Rerun, a startup building an SDK for visualizing streams of multimodal data.

Highlights

• New egui_mcp crate based on eguis new inspection protocol
• Set classes on your Uis to modify widget behavior based on surrounding context
• Improved IME

Egui inspection and egui_mcp

This release includes a new inspection protocol for egui. It allows reading the accesskit tree of a running app, as well as sending events to control it. It's implemented via a new InspectionPlugin in the egui_inspection crate. Eframe includes a new inspection feature. When enabled, you can enable inspection by launching the app with EGUI_INSPECTION=1. This will cause the app to listen on port 5719.

The first inspection protocol consumer is egui_mcp. It's a mcp server that allows your agent to see and use egui apps. It can be used to have the agent use the app, reproduce bugs and verify its changes. Install it via cargo install --git https://github.com/rerun-io/kittest_inspector egui_mcp and then add it to your agent via claude mcp add egui egui-mcp.

There is also a plan of adding a general inspection gui using the same protocol, that can e.g. be used to step through kittest tests frame by frame.

Here is claude using the mcp to try some of the egui demos (sped up by a lot, claude is slow):

Screen.Recording.2026-06-25.at.19.58.20.15s.mov

• Add egui_inspection protocol and plugin #8234 by @​lucasmerlin

Classes

As part of css like styling, we've added classes to egui. You can already use them to e.g. modify widget behavior or styling based on surrounding context. Add classes to the container:

ui.scope_builder(UiBuilder::new().with_class("my_container"), |ui| {
    ...
});       

... (truncated)

Changelog

Sourced from egui-wgpu's changelog.

0.35.0 - 2026-06-25 - Inspection, egui_mcp, classes and improved IME

Highlights

• New egui_mcp crate based on eguis new inspection protocol
• Set classes on your Uis to modify widget behavior based on surrounding context
• Improved IME

Egui inspection and egui_mcp

This release includes a new inspection protocol for egui. It allows reading the accesskit tree of a running app, as well as sending events to control it. It's implemented via a new InspectionPlugin in the egui_inspection crate. Eframe includes a new inspection feature. When enabled, you can enable inspection by launching the app with EGUI_INSPECTION=1. This will cause the app to listen on port 5719.

The first inspection protocol consumer is egui_mcp. It's a mcp server that allows your agent to see and use egui apps. It can be used to have the agent use the app, reproduce bugs and verify its changes. Install it via cargo install --git https://github.com/rerun-io/kittest_inspector egui_mcp and then add it to your agent via claude mcp add egui egui-mcp.

There is also a plan of adding a general inspection gui using the same protocol, that can e.g. be used to step through kittest tests frame by frame.

Here is claude using the mcp to try some of the egui demos (sped up by a lot, claude is slow):

Screen.Recording.2026-06-25.at.19.58.20.15s.mov

• Add egui_inspection protocol and plugin #8234 by @​lucasmerlin

Classes

As part of css like styling, we've added classes to egui. You can already use them to e.g. modify widget behavior or styling based on surrounding context. Add classes to the container:

ui.scope_builder(UiBuilder::new().with_class("my_container"), |ui| {
    ...
});       

In your widget, check if we're in my_container, to e.g. change sizes or colors:

  let in_container = ui.stack().iter().any(|s| s.classes.has("my_container")); 

Today this only works for custom widgets and ui code, but the next step will be a styling system that allows you to modify built in widget styling based on these classes.

• Add Classes to UiBuilder and some Widgets #7843 by @​AdrienZianne

Better IME composition

... (truncated)

Commits

• 74c0a0c Add changelog
• a08630c Improve docs on some methods to clarify what counts as a "click" (#8251)
• 5bf62ca Implement proper visuals for IME composition (#8083)
• a8d09eb Fix macOS wgpu live resize with low-latency surfaces (#8229)
• 2e26b70 Call logic even while browser tab is in background (#8257)
• 26ead4a feat: add remove_string() to storage trait (#8264)
• 3fdcef1 Add atoms() helpers to get Atoms from widgets (#8128)
• ffbd7dc Remove 64 bit atomics in egui_extras (#8263)
• 3e19bd1 Make font hinting target configurable via FontTweak (#8262)
• e8d9652 Make Slider::new take impl Into<RangeInclusive (#8260)
• Additional commits viewable in compare view

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