Oh, I love this! 一見鍾情

1. Select some text in the PDF.
2. Click on a color on the toolbar. This creates a link.
3. Paste into any note. Remember to press RETURN. Voila! See the pasted result become a nice color box.
4. Hover over a link to get a popup preview of the context.

Quick verdict: 4/5

Cons

Does not work with:

OCRed PDF book with vertical text e.g. Chinese: a huge disappointment

The performance there is much worse than Obsidian plugin - Annotator｜PDF註記插件. It's practically unusable.

One more proof: Notes (PDF++) - Grammaire du français (sorbonne) - 法文文法快易通 修訂版 fr-tc (ocr).pdf

Issues

20250101 ⛔️ Destroys a PDF file on iPad

Mouse selection sticky

On one occasion, my mouse selection goes berserk: it slips and ends up selecting more text than intended as I navigate the context menu.

Solution

Restarting the computer worked. Glad it's only a one-off anomaly.

20240412 ⛔️ Auto-paste needs extra new line at the end to avoid gluing together successive quotes

More ...

Combining PDF reading, annotating, backlinking for context, and flashcarding 一邊閱讀筆記一遍建立閃卡

Obsidian plugin - Annotator｜PDF註記插件

PDF annotation - non-OCR PDF - text selection woes

• Explains options, including caution against "enable PDF editing" (which I turned ON)
  https://pkmer.cn/Pkmer-Docs/10-obsidian/obsidian%E7%A4%BE%E5%8C%BA%E6%8F%92%E4%BB%B6/pdf-plus/

• Introduces Markmind plugin #todo/try #Obsidian/plugin
  https://zhuanlan.zhihu.com/p/438755703

• obsidian markmind 插件已经实现在 ob 中阅读标注 pdf, 具有形成思维导图, pdf 跳转的功能; 该插件配置, 在 markmind 的基础上, 结合 quickadd 和 Templater 插件, 进一步对 pdf 标注进行操作, 实现每条 pdf注释 单独生成一个文稿, 并手动打上标签, 方便日后归纳整理检索分类**