---
title: Collie Release Notes v1.5.5
description: "## Collie v1.5.5 Release Notes ### Improvements #### Attendance Report Export Performance - Improved attendance report generation performance, particularly for reports covering **large date ranges**. - Optimized report processing to reduce export time and prevent timeouts during report generation. -…"
url: "https://colliebots.com/docs/collie/collie-release-notes-v1-5-5/"
updated: "2026-10-29"
category: Collie
---

# Collie Release Notes v1.5.5

## Collie v1.5.5

Release Notes

### Improvements

#### Attendance Report Export Performance

- Improved attendance report generation performance, particularly for reports covering **large date ranges**.
- Optimized report processing to reduce export time and prevent timeouts during report generation.
- Significantly improved **XLSX export speed** while maintaining the accuracy and consistency of report data.