Flooding WebSocket API Warning Since 2026.3.0

Model Name: iPhone 12 Pro Max
Software Version: iOS 26.4
App version: 2026.3.0, 2026.4.0

**Home Assistant Core Version**

Installation method
Home Assistant Container
Core
2026.3.4
Frontend
20260312.1
Companion app

HA log being flooded with below warning messages since having HA iOS app 2026.3.0 beta installed and have mTLS implemented. Not sure whether it is caused by iOS app or HA core, but seems like the app.

Logger: homeassistant.components.websocket_api.http.connection
Source: components/websocket_api/http.py:553
integration: Home Assistant WebSocket API ([documentation](https://www.home-assistant.io/integrations/websocket_api), [issues](https://github.com/home-assistant/core/issues?q=is%3Aissue+is%3Aopen+label%3A%22integration%3A+websocket_api%22))
First occurred: 30 March 2026 at 13:13:49 (82 occurrences)
Last logged: 12:58:39

[281472012810368] Felix from 192.168.1.72 (Home Assistant/2026.4.0 (io.robbie.HomeAssistant; build:2026.1851; iOS 26.4.0)): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds
[281472383931456] Felix from 192.168.1.72 (Home Assistant/2026.4.0 (io.robbie.HomeAssistant; build:2026.1851; iOS 26.4.0)): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds
[281472022856544] Felix from 2405:6e00:22b:1695:c91:2380:41ff:e123 (Home Assistant/2026.4.0 (io.robbie.HomeAssistant; build:2026.1851; iOS 26.4.0)): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds
[281472022868384] Felix from 2405:6e00:22b:1695:c91:xxxxxx (Home Assistant/2026.4.0 (io.robbie.HomeAssistant; build:2026.1851; iOS 26.4.0)): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds
[281471816189408] Felix from 2405:6e00:22b:1695:c91:xxxxxxx (Home Assistant/2026.4.0 (io.robbie.HomeAssistant; build:2026.1851; iOS 26.4.0)): Disconnected: Received error message during command phase: No PONG received after 27.5 seconds