---
title: "Release 5.3.3"
description: "Improved e-chat message delivery error handling."
---

# Release 5.3.3

## What Changed

- **e-chat channel.** Improved handling of message delivery errors — the system responds more reliably to delivery failures and reports issues.

## How It Changed

**Before:** When e-chat message delivery failed, the user or operator might not get clear feedback.  
**Now:** Delivery errors are handled more reliably.  
**Why it matters:** More reliable e-chat channel behavior.