Search icon missing on Mattermost mobile app despite working on desktop and web

Summary

The search icon :magnifying_glass_tilted_left: does not appear in the Mattermost Android mobile app, even though the search feature works correctly on desktop and web clients.

Environment

  • Mobile App Version: 2.29.1 (latest as of June 2025)
  • OS: Android 15
  • Device: Moto G54
  • Server Version: Mattermost 10.8.1 (Build Enterprise Ready: false)
  • Deployment: Self-hosted on Ubuntu 22.04
  • Search Backend: Built-in database search (EnableIndexing: false, EnableSearching: false)

Steps to Reproduce

  1. Open Mattermost mobile app.
  2. Log in to server.
  3. Enter any channel.
  4. Look for :magnifying_glass_tilted_left: search icon in top-right.
  5. Icon is missing.

What should happen

The search icon should appear in the top-right, as it does on desktop and browser.

What happens instead

There is no search icon. It is also not accessible from the three-dot menu.

Troubleshooting Done

  • Verified search works in browser and desktop app.
  • Reinstalled mobile app and cleared cache.
  • Disabled custom branding.
  • Restarted Mattermost server.
  • Tested with a new user.
  • Verified permissions (system_admin, not a guest).
  • Verified config: no Elasticsearch, only built-in DB search.
  • Confirmed no errors in logs.

Additional Info

This may be a regression or layout issue. The icon appeared in older versions. Please advise if any additional debug logging is needed.