Group chats automatically tagged as m.lowpriority even when not archived in WhatsApp

[EmilyMoonstone]

Description

Group chats bridged from WhatsApp to Matrix are automatically tagged with m.lowpriority and appear at the bottom of the room list in clients like FluffyChat, even when they are not archived in WhatsApp.

Environment

• mautrix-whatsapp version: v26.05 (Docker)
• Matrix homeserver: Synapse
• Client: FluffyChat (Desktop)

Expected Behavior

Only WhatsApp chats that are explicitly archived in WhatsApp should receive the m.lowpriority tag.

Actual Behavior

Many WhatsApp group chats receive the m.lowpriority tag, regardless of their archive status in WhatsApp. Also after unset lowpriority manually many times.

Relevant Configuration

network:
  archive_tag: m.lowpriority
  status_broadcast_tag: m.lowpriority
  mute_status_broadcast: true
  pinned_tag: m.favourite

bridge:
  only_bridge_tags: [m.favourite, m.lowpriority]
  tag_only_on_create: false

Checklist

• This is an actual bug, not just a setup issue (see the troubleshooting docs or ask in the Matrix room for setup help).
• I am certain that sufficient information is included. Ask in the Matrix room first if not.
• The bug is still present on the main branch. The !wa version command output is: mautrix-whatsapp v26.05+dev.b46b41ed (Tue, 19 May 2026 15:21:57 UTC)