slint-ui/slint

Slint/Slint-build enables too much dependencies

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#11,554 建立於 2026年4月28日

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描述

Bug Description

I'm trying to create a minimal Slint setup that compiles as fast as possible.

I noticed that the default Slint build enables almost all features of image-rs, which adds unnecessary overhead to both compile time and binary size.

Removing slint-build helps a lot, because this package pulls in the default image features.

This decreased size of Cargo.lock from 6250 lines to 5685

I think there should be a way to disable these features - I don’t need support for formats like QOI or GIF from image-rs.

It’s also possible that there are additional components that could be made optional, such as resvg, to further improve the build process.

Reproducible Code (if applicable)

Empty project with this Cargo.toml


[dependencies]
slint = "1.16.1"

[build-dependencies]
slint-build = "1.16.1"

Environment Details

  • Slint Version: 1.16
  • Platform/OS: Ubuntu 24.04
  • Programming Language: Rust
  • Backend/Renderer: N/A

Product Impact

No response

貢獻者指南

技術棧
rust
領域
build systemperformance
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
fresh
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
Rust and Cargo basicsFeature flag concepts
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
60
研究方向
Examine the slint build crate's Cargo.toml (likely at crates/slint build/Cargo.toml) to identify the image rs dependency and its default features. Propose adding a feature flag, such as 'default png', to disable unnecessary image formats like QOI and GIF. Also investigate making resvg optional. Reference issue #11554 for the user's specific request.