zulip/zulip-flutter

Show image/video previews larger according to new setting

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#2,177 opened on Feb 25, 2026

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a-contenta-designhelp wantedserver-12

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Description

The server recently introduced a new realm setting media_preview_size, in feature level 469. API changelog:

  • PATCH /realm, POST /register, GET /events: Added a new media_preview_size realm setting that controls the size of image and video thumbnails in messages.

We should follow that setting.

References

  • Server/web PR: zulip/zulip#37931
  • Server/web issue: zulip/zulip#37096

Contributor guide

Research direction
Implement the new `media preview size` setting in the Flutter app by following the pattern of existing realm settings. Update the UI to display image and video previews with the specified size.
Tech stack
flutter
Domain
mobile
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Flutter
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70