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egui/crates/egui-wgpu/CHANGELOG.md
Lucas Meurer 96470fabee Release 0.33.0 - egui::Plugin, better kerning, kitdiff viewer (#7622) 
## Short bluesky announcement:

We just released egui 0.33.0! 

Highlights:
- `egui::Plugin` a improved way to create and access egui plugins
- [kitdiff](https://github.com/rerun-io/kitdiff), a viewer for
egui_kittest image snapshots (and a general image diff tool)
- better kerning (check the diff on
[kitdiff](https://rerun-io.github.io/kitdiff/?url=https://github.com/emilk/egui/pull/7431))


https://github.com/user-attachments/assets/971f0493-6dae-42e5-8019-58b74cf5d203


## Relaese Changelog:

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](https://www.rerun.io/), a
startup building an SDK for visualizing streams of multimodal data.

# egui 0.33.0 changelog

Highlights from this release:
- `egui::Plugin` a improved way to create and access egui plugins
- [kitdiff](https://github.com/rerun-io/kitdiff), a viewer for
egui_kittest image snapshots (and a general image diff tool)
- better kerning


### Improved kerning
As a step towards using [parley](https://github.com/linebender/parley)
for font rendering, @valadaptive has refactored the font loading and
rendering code. A result of this (next to the font rendering code being
much nicer now) is improved kerning.
Notice how the c moved away from the k:

![Oct-09-2025
16-21-58](https://github.com/user-attachments/assets/d4a17e87-5e98-40db-a85a-fa77fa77aceb)


### `egui::Plugin` trait
We've added a new trait-based plugin api, meant to replace
`Context::on_begin_pass` and `Context::on_end_pass`.
This makes it a lot easier to handle state in your plugins. Instead of
having to write to egui memory it can live right on your plugin struct.
The trait based api also makes easier to add new hooks that plugins can
use. In addition to `on_begin_pass` and `on_end_pass`, the `Plugin`
trait now has a `input_hook` and `output_hook` which you can use to
inspect / modify the `RawInput` / `FullOutput`.

### kitdiff, a image diff viewer
At rerun we have a ton of snapshots. Some PRs will change most of them
(e.g. [the](https://github.com/rerun-io/rerun/pull/11253/files)
[one](https://rerun-io.github.io/kitdiff/?url=https://github.com/rerun-io/rerun/pull/11253/files)
that updated egui and introduced the kerning improvements, ~500
snapshots changed!).
If you really want to look at every changed snapshot it better be as
efficient as possible, and the experience on github, fiddeling with the
sliders, is kind of frustrating.
In order to fix this, we've made
[kitdiff](https://rerun-io.github.io/kitdiff/).
You can use it locally via 
- `kitdiff files .` will search for .new.png and .diff.png files
- `kitdiff git` will compare the current files to the default branch
(main/master)
Or in the browser via
- going to https://rerun-io.github.io/kitdiff/ and pasting a PR or
github artifact url
- linking to kitdiff via e.g. a github workflow
`https://rerun-io.github.io/kitdiff/?url=<link_to_pr_or_artefact>`

To install kitdiff run `cargo install --git
https://github.com/rerun-io/kitdiff`

Here is a video showing the kerning changes in kitdiff ([try it
yourself](https://rerun-io.github.io/kitdiff/?url=https://github.com/rerun-io/rerun/pull/11253/files)):


https://github.com/user-attachments/assets/74640af1-09ba-435a-9d0c-2cbeee140c8f

###  Migration guide
- `egui::Mutex` now has a timeout as a simple deadlock detection
- If you use a `egui::Mutex` in some place where it's held for longer
than a single frame, you should switch to the std mutex or parking_lot
instead (egui mutexes are wrappers around parking lot)
- `screen_rect` is deprecated
- In order to support safe areas, egui now has `viewport_rect` and
`content_rect`.
- Update all usages of `screen_rect` to `content_rect`, unless you are
sure that you want to draw outside the `safe area` (which would mean
your Ui may be covered by notches, system ui, etc.)
2025-10-09 19:14:14 +02:00

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# Changelog for egui-wgpu
All notable changes to the `egui-wgpu` integration will be noted in this file.
This file is updated upon each release.
Changes since the last release can be found at <https://github.com/emilk/egui/compare/latest...HEAD> or by running the `scripts/generate_changelog.py` script.
## 0.33.0 - 2025-10-09
### 🔧 Changed
* Update wgpu to 26 and wasm-bindgen to 0.2.100 [#7540](https://github.com/emilk/egui/pull/7540) by [@Kumpelinus](https://github.com/Kumpelinus)
* Warn if `DYLD_LIBRARY_PATH` is set and we find no wgpu adapter [#7572](https://github.com/emilk/egui/pull/7572) by [@emilk](https://github.com/emilk)
* Update MSRV from 1.86 to 1.88 [#7579](https://github.com/emilk/egui/pull/7579) by [@Wumpf](https://github.com/Wumpf)
* Update wgpu to 27.0.0 [#7580](https://github.com/emilk/egui/pull/7580) by [@Wumpf](https://github.com/Wumpf)
* Create `egui_wgpu::RendererOptions` [#7601](https://github.com/emilk/egui/pull/7601) by [@emilk](https://github.com/emilk)
* Use software texture filtering in kittest [#7602](https://github.com/emilk/egui/pull/7602) by [@emilk](https://github.com/emilk)
## 0.32.3 - 2025-09-12
Nothing new
## 0.32.2 - 2025-09-04
Nothing new
## 0.32.1 - 2025-08-15
* Enable wgpu default features in eframe / egui_wgpu default features [#7344](https://github.com/emilk/egui/pull/7344) by [@lucasmerlin](https://github.com/lucasmerlin)
## 0.32.0 - 2025-07-10
* Update to wgpu 25 [#6744](https://github.com/emilk/egui/pull/6744) by [@torokati44](https://github.com/torokati44)
* Free textures after submitting queue instead of before with wgpu renderer on Web [#7291](https://github.com/emilk/egui/pull/7291) by [@Wumpf](https://github.com/Wumpf)
* Improve texture filtering by doing it in gamma space [#7311](https://github.com/emilk/egui/pull/7311) by [@emilk](https://github.com/emilk)
## 0.31.1 - 2025-03-05
Nothing new
## 0.31.0 - 2025-02-04
* Upgrade to wgpu 24 [#5610](https://github.com/emilk/egui/pull/5610) by [@torokati44](https://github.com/torokati44)
* Extend `WgpuSetup`, `egui_kittest` now prefers software rasterizers for testing [#5506](https://github.com/emilk/egui/pull/5506) by [@Wumpf](https://github.com/Wumpf)
* Wgpu resources are no longer wrapped in `Arc` (since they are now `Clone`) [#5612](https://github.com/emilk/egui/pull/5612) by [@Wumpf](https://github.com/Wumpf)
## 0.30.0 - 2024-12-16
* Fix docs.rs build [#5204](https://github.com/emilk/egui/pull/5204) by [@lucasmerlin](https://github.com/lucasmerlin)
* Free textures after submitting queue instead of before with wgpu renderer [#5226](https://github.com/emilk/egui/pull/5226) by [@Rusty-Cube](https://github.com/Rusty-Cube)
* Add option to initialize with existing wgpu instance/adapter/device/queue [#5319](https://github.com/emilk/egui/pull/5319) by [@ArthurBrussee](https://github.com/ArthurBrussee)
* Updare to `wgpu` 23.0.0 and `wasm-bindgen` to 0.2.95 [#5330](https://github.com/emilk/egui/pull/5330) by [@torokati44](https://github.com/torokati44)
* Support wgpu-tracing with same mechanism as wgpu examples [#5450](https://github.com/emilk/egui/pull/5450) by [@EriKWDev](https://github.com/EriKWDev)
## 0.29.1 - 2024-10-01
Nothing new
## 0.29.0 - 2024-09-26 - `wgpu` 22.0
### ⭐ Added
* Add opt-out `fragile-send-sync-non-atomic-wasm` feature for wgpu [#5098](https://github.com/emilk/egui/pull/5098) by [@9SMTM6](https://github.com/9SMTM6)
### 🔧 Changed
* Upgrade to wgpu 22.0.0 [#4847](https://github.com/emilk/egui/pull/4847) by [@KeKsBoTer](https://github.com/KeKsBoTer)
* Introduce dithering to reduce banding [#4497](https://github.com/emilk/egui/pull/4497) by [@jwagner](https://github.com/jwagner)
* Ensure that `WgpuConfiguration` is `Send + Sync` [#4803](https://github.com/emilk/egui/pull/4803) by [@murl-digital](https://github.com/murl-digital)
* Wgpu render pass on paint callback has now `'static` lifetime [#5149](https://github.com/emilk/egui/pull/5149) by [@Wumpf](https://github.com/Wumpf)
### 🐛 Fixed
* Update sampler along with texture on wgpu backend [#5122](https://github.com/emilk/egui/pull/5122) by [@valadaptive](https://github.com/valadaptive)
## 0.28.1 - 2024-07-05
Nothing new
## 0.28.0 - 2024-07-03
* Update to wgpu 0.20 [#4433](https://github.com/emilk/egui/pull/4433) by [@KeKsBoTer](https://github.com/KeKsBoTer)
* Fix doclinks in egui-wgpu docs [#4677](https://github.com/emilk/egui/pull/4677) by [@emilk](https://github.com/emilk)
## 0.27.2 - 2024-04-02
* Nothing new
## 0.27.1 - 2024-03-29
* Nothing new
## 0.27.0 - 2024-03-26
* Improve panic message in egui-wgpu when failing to create buffers [#3986](https://github.com/emilk/egui/pull/3986)
## 0.26.2 - 2024-02-14
* Nothing new
## 0.26.1 - 2024-02-11
* Improve panic message in egui-wgpu when failing to create buffers [#3986](https://github.com/emilk/egui/pull/3986)
## 0.26.0 - 2024-02-05
* Update wgpu to 0.19 [#3824](https://github.com/emilk/egui/pull/3824)
* Add `WgpuConfiguration::desired_maximum_frame_latency` [#3874](https://github.com/emilk/egui/pull/3874)
* Disable the default features of `wgpu` [#3875](https://github.com/emilk/egui/pull/3875)
* If WebGPU fails, re-try adapter creation with WebGL [#3895](https://github.com/emilk/egui/pull/3895) (thanks [@Wumpf](https://github.com/Wumpf)!)
* Delay call to `get_current_texture` (possible small performance win) [#3914](https://github.com/emilk/egui/pull/3914)
* Add `x11` and `wayland` features [#3909](https://github.com/emilk/egui/pull/3909) (thanks [@YgorSouza](https://github.com/YgorSouza)!)
* Pass `ScreenDescriptor` to `egui_wgpu::CallbackTrait::prepare` [#3960](https://github.com/emilk/egui/pull/3960) (thanks [@StratusFearMe21](https://github.com/StratusFearMe21)!)
* Make `egui_wgpu::renderer` a private module [#3979](https://github.com/emilk/egui/pull/3979)
## 0.25.0 - 2024-01-08
* Only call wgpu paint callback if viewport is positive [#3778](https://github.com/emilk/egui/pull/3778) (thanks [@msparkles](https://github.com/msparkles)!)
## 0.24.1 - 2023-11-30
* Add a few `puffin` profile scopes
## 0.24.0 - 2023-11-23
* Updated to wgpu 0.18 [#3505](https://github.com/emilk/egui/pull/3505) (thanks [@Wumpf](https://github.com/Wumpf)!)
* Update MSRV to Rust 1.72 [#3595](https://github.com/emilk/egui/pull/3595)
* Properly clamp and round viewport values, preventing rare warnings [#3604](https://github.com/emilk/egui/pull/3604) (thanks [@Wumpf](https://github.com/Wumpf)!)
## 0.23.0 - 2023-09-27
* Update to `wgpu` 0.17.0 [#3170](https://github.com/emilk/egui/pull/3170) (thanks [@Aaron1011](https://github.com/Aaron1011)!)
* Improved wgpu callbacks [#3253](https://github.com/emilk/egui/pull/3253) (thanks [@Wumpf](https://github.com/Wumpf)!)
* Fix depth texture init with multisampling [#3207](https://github.com/emilk/egui/pull/3207) (thanks [@mauliu](https://github.com/mauliu)!)
* Fix panic on wgpu GL backend due to new screenshot capability [#3078](https://github.com/emilk/egui/pull/3078) (thanks [@amfaber](https://github.com/amfaber)!)
## 0.22.0 - 2023-05-23
* Update to wgpu 0.16 [#2884](https://github.com/emilk/egui/pull/2884) (thanks [@niklaskorz](https://github.com/niklaskorz)!)
* Device configuration is now dependent on adapter [#2951](https://github.com/emilk/egui/pull/2951) (thanks [@Wumpf](https://github.com/Wumpf)!)
* Expose `wgpu::Adapter` via `RenderState` [#2954](https://github.com/emilk/egui/pull/2954) (thanks [@Wumpf](https://github.com/Wumpf)!)
* Add `read_screen_rgba` to the egui-wgpu `Painter`, to allow for capturing the current frame when using wgpu. Used in conjunction with `Frame::request_screenshot` [#2676](https://github.com/emilk/egui/pull/2676)
* Improve performance of `update_buffers` [#2820](https://github.com/emilk/egui/pull/2820) (thanks [@Wumpf](https://github.com/Wumpf)!)
* Added support for multisampling (MSAA) [#2878](https://github.com/emilk/egui/pull/2878) (thanks [@PPakalns](https://github.com/PPakalns)!)
## 0.21.0 - 2023-02-08
* Update to `wgpu` 0.15 ([#2629](https://github.com/emilk/egui/pull/2629))
* Return `Err` instead of panic if we can't find a device ([#2428](https://github.com/emilk/egui/pull/2428)).
* `winit::Painter::set_window` is now `async` ([#2434](https://github.com/emilk/egui/pull/2434)).
* `egui-wgpu` now only depends on `epaint` instead of the entire `egui` ([#2438](https://github.com/emilk/egui/pull/2438)).
* `winit::Painter` now supports transparent backbuffer ([#2684](https://github.com/emilk/egui/pull/2684)).
## 0.20.0 - 2022-12-08 - web support
* Renamed `RenderPass` to `Renderer`.
* Renamed `RenderPass::execute` to `RenderPass::render`.
* Renamed `RenderPass::execute_with_renderpass` to `Renderer::render` (replacing existing `Renderer::render`)
* Reexported `Renderer`.
* You can now use `egui-wgpu` on web, using WebGL ([#2107](https://github.com/emilk/egui/pull/2107)).
* `Renderer` no longer handles pass creation and depth buffer creation ([#2136](https://github.com/emilk/egui/pull/2136))
* `PrepareCallback` now passes `wgpu::CommandEncoder` ([#2136](https://github.com/emilk/egui/pull/2136))
* `PrepareCallback` can now returns `wgpu::CommandBuffer` that are bundled into a single `wgpu::Queue::submit` call ([#2230](https://github.com/emilk/egui/pull/2230))
* Only a single vertex & index buffer is now created and resized when necessary (previously, vertex/index buffers were allocated for every mesh) ([#2148](https://github.com/emilk/egui/pull/2148)).
* `Renderer::update_texture` no longer creates a new `wgpu::Sampler` with every new texture ([#2198](https://github.com/emilk/egui/pull/2198))
* `Painter`'s instance/device/adapter/surface creation is now configurable via `WgpuConfiguration` ([#2207](https://github.com/emilk/egui/pull/2207))
* Fix panic on using a depth buffer ([#2316](https://github.com/emilk/egui/pull/2316))
## 0.19.0 - 2022-08-20
* Enables deferred render + surface state initialization for Android ([#1634](https://github.com/emilk/egui/pull/1634)).
* Make `RenderPass` `Send` and `Sync` ([#1883](https://github.com/emilk/egui/pull/1883)).
## 0.18.0 - 2022-05-15
First published version since moving the code into the `egui` repository from <https://github.com/LU15W1R7H/eww>.
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