谷歌重新审视 Chromium 中的 JPEG XL,此前曾将其移除。
Google Revisits JPEG XL in Chromium After Earlier Removal

原始链接: https://windowsreport.com/google-revisits-jpeg-xl-in-chromium-after-earlier-removal/

谷歌正在重新考虑在 Chrome 浏览器中对 JPEG XL 图像格式的支持,此前因认为缺乏兴趣而三年前放弃了该格式。在开发者持续需求以及 Safari 和 Windows 11 等平台更广泛采用的推动下,谷歌已重新启动开发,并计划在确保安全性和长期维护后在 Chrome 中发布 JPEG XL。 一位开发者已经提交了代码,将该格式重新引入 Chromium,现在包括动画支持——这是之前尝试中缺失的一项功能。虽然代码功能完整并通过了测试,但目前正在审核中,尚未对用户开放。 JPEG XL 具有潜在优势,例如在不牺牲图像质量的情况下减小文件大小,从而加快网页加载速度并降低数据使用量。谷歌尚未宣布发布时间表,但开发工作正在积极进行中。

## JPEG XL 在 Chromium 中获得进展 谷歌正在重新考虑在 Chromium 中支持 JPEG XL 图像格式,此前曾将其移除。这发生在 Safari 和 Windows 11 已经提供原生支持之后,并且 JPEG XL 在 PDF 文档、医学成像和相机 RAW 格式等领域的使用量也在增加。 讨论强调了与 AVIF/AV2 等较新的编解码器之间的权衡,后者可能提供更好的压缩,但计算成本更高。虽然 AVIF 在较低设置下具有卓越的质量,但 JPEG XL 目前速度更快,并提供具有竞争力的质量,尤其是在适合网页的大小下,并且具有渐进式解码的优势。 一个关键的障碍是现有的 C++ 实现,被认为存在安全风险。谷歌现在将考虑基于 Rust 的实现。对话还涉及对更广泛的 HDR 图像支持的需求,这让摄影师感到沮丧,以及竞争的图像格式的复杂性。虽然 JPEG XL 的采用并非一蹴而就,但重新燃起的兴趣预示着一个潜在的转折点。
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Three years ago, Google removed JPEG XL support from Chrome, stating there wasn’t enough interest at the time. That position has now changed.

In a recent note to developers, a Chrome team representative confirmed that work has restarted to bring JPEG XL to Chromium and said Google “would ship it in Chrome” once long-term maintenance and the usual launch requirements are met.

The team explained that other platforms moved ahead. Safari supports JPEG XL, and Windows 11 users can add native support through an image extension from Microsoft Store. The format is also confirmed for use in PDF documents. There has been continuous demand from developers and users who ask for its return.

Before Google ships the feature in Chrome, the company wants the integration to be secure and supported over time.

A developer has submitted new code that reintroduces JPEG XL to Chromium. This version is marked as feature complete. The developer said it also “includes animation support,” which earlier implementations did not offer. The code passes most of Chrome’s automated testing, but it remains under review and is not available to users.

The featured image is taken from an unlisted developer demo created for testing purposes.

JPEG XL is a newer image format intended as a replacement for traditional JPEG files. It can reduce file size without loss in visual quality. This may help web pages load faster and reduce data usage. More details are available on the official JPEG XL website.

Google has not provided a timeline for JPEG XL support in Chrome. Users cannot enable the format today, but development has restarted after years without progress.



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