thunderbird / thunderbird/thunderbird-android

Add support for embedded SVG data

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#3,412 7 comments 3 reactions 0 assignees View on GitHub

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type: enhancement
Dominant language
Kotlin
Stars
14k
Forks
2.8k
Avg merge
3d 3h
Merged PRs (30d)
57

Description

It would be a great addition to support the SVG image format in HTML emails. It's useful for example to display dense graphs, that can be zoomed without losing quality compared to traditional raster image formats like PNG.

Example of email clients that support it :

  • Aqua Mail (Android)
  • Thunderbird (desktop)

I know the following client do NOT support it:

  • Gmail (webmail)
  • Gmail (android)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named. Start by tracing the HTML email rendering path and checking how embedded image data is handled; done means SVG data is supported for compatible email clients without changing behavior for clients that do not support it.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, kotlin
Domain
mobile
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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