Tooltip component accessibility is lacking

[Watso196]

Reproduction link

https://antd-reproduce-5x-yvsnjz.stackblitz.io

Steps to reproduce

1. Turn on any screen reader
2. Use keyboard Tab key to move focus to the link that triggers the tooltip

What is expected?

• Screen reader should announce tooltip content with the trigger content
• Moving keyboard focus to the tooltip trigger should display tooltip content for keyboard users

What is actually happening?

• Moving keyboard focus to tooltip trigger does not display the tooltip content (there is also no easy way to make this happen from a dev perspective)
• Screen reader does not announce tooltip content when trigger is focused

Environment	Info
antd	5.19.2
React	18.3.1
System	Sonoma 14.5
Browser	Chrome Version 126.0.6478.127 (arm64)

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The tooltip content should be related to the tooltip trigger accessibly. This is done by adding the aria-describedby attribute to the tooltip's trigger element, and providing the tooltip content's id value to aria-describedby as its attribute value. Developers should have an easy way to indicate that tooltip content should show up on hover and on focus. This allows keyboard only users to access the tooltip content. Providing an optional prop for displaying the tooltip on focus would be appropriate. But this also requires that the tooltip trigger be focusable, which is not something the AntD Tooltip component currently checks.

[github-actions[bot]]

Hello @Watso196. We totally like your proposal/feedback, welcome to send us a Pull Request for it. Please send your Pull Request to proper branch (feature branch for the new feature, master for bugfix and other changes), fill the Pull Request Template here, provide changelog/TypeScript/documentation/test cases if needed and make sure CI passed, we will review it soon. We appreciate your effort in advance and looking forward to your contribution!

你好 @Watso196，我们完全同意你的提议/反馈，欢迎直接在此仓库 创建一个 Pull Request 来解决这个问题。请将 Pull Request 发到正确的分支（新特性发到 feature 分支，其他发到 master 分支），务必填写 Pull Request 内的预设模板，提供改动所需相应的 changelog、TypeScript 定义、测试用例、文档等，并确保 CI 通过，我们会尽快进行 Review，提前感谢和期待您的贡献。