---
title: "Release 5.3.35"
description: "Chat export to PDF, email templates, HEIC support, CSAT notifications, business hours statistics."
---

# Release 5.3.35

## What Changed

- **Chat export to PDF.** Operators can export chat history to PDF for archiving, sharing with colleagues, or printing. Option to include ticket fields and client contact details.
- **Email templates.** For each email address, you can configure HTML header and footer (logo, contacts). Messages from operators or scenarios automatically receive consistent branding.
- **HEIC/HEIF support.** The system accepts iPhone photos (HEIC/HEIF) in the widget, Operator Panel, Email, and Kwizbot. Files are automatically converted to JPEG when saved.
- **CSAT notifications.** Operators receive instant notification when a client leaves a satisfaction rating. Separate settings for browser and sound notifications.
- **Business hours statistics.** Operator response time metrics (`timeConnectingToChat`, `target_5`) now count only within working hours per the bot calendar — nights and weekends no longer skew the metrics.
- **QA assessments list state.** Filters, page, sorting, and search are preserved when navigating to assessment details and back.
- **Messages in chats.** Improved display of text and system messages; fixed sender name length limit for Viber.
- **FileManager errors.** Clear, specific error messages from the system when uploading or deleting files instead of a generic "error".

## How It Changed

### Chat export to PDF

**Before:** Operators could not export chat history in a convenient format; context had to be copied manually or screenshotted.  
**Now:** The active chat menu includes "Export to PDF". You can add ticket fields and client contacts. The file is saved as `chatroom-{id}.pdf`.  
**Why it matters:** Easy archiving, sharing context with colleagues, and printing for review or approval.

### Email templates

**Before:** Messages were sent only with the text entered by the operator or generated by the scenario; there was no unified branding (logo, signature).  
**Now:** In Settings → Email templates you can set HTML header and footer for each address. All messages from that address automatically receive this formatting.  
**Why it matters:** Consistent brand and contacts in emails without manually adding signatures.

### HEIC/HEIF support

**Before:** iPhone photos (HEIC) were rejected or saved without conversion; preview did not work in some places.  
**Now:** HEIC/HEIF is accepted in all channels. Conversion to JPEG is performed on the server. Preview displays correctly.  
**Why it matters:** Convenience for iPhone users who often take photos in this format.

### CSAT notifications

**Before:** Operators did not receive instant notification when a client left a CSAT rating; they had to refresh the page or check the chat manually.  
**Now:** When a CSAT rating is received, the operator immediately gets a browser and/or sound notification. This notification type can be enabled or disabled separately in settings.  
**Why it matters:** Quick response to client feedback and ability to adjust approach for future chats.

### Business hours statistics

**Before:** Wait time was calculated as absolute difference (wall-clock); night and weekend chats produced falsely high values.  
**Now:** `timeConnectingToChat` and `target_5` metrics count only milliseconds within working hours per the bot/topic calendar.  
**Why it matters:** Realistic statistics for clients with working schedules.

### Other improvements

**QA assessments state:** When returning from assessment details to the list, filters, page, sorting, and search are preserved.  
**Messages and Viber:** Improved formatting of text and system messages; sender name for Viber limited to 27 characters to avoid API errors.  
**FileManager:** When upload or delete fails, specific error messages (e.g., from S3/MinIO) are shown instead of a generic "error".

## Related documentation

- [How to export a chat to PDF?](/en/operatorline/how-to/export-chatroom-to-pdf.md)
- [How to configure email templates?](/en/settings/how-to/configure-email-templates.md)
- [Configure notifications in profile](/en/profile/how-to/configure-notifications.md)