---
title: "BigGantt 8.4.7 Release notes"
canonical: "https://support.appfire.com/space/DLP/297669711/BigGantt%208.4.7%20Release%20notes"
format: markdown
---
Release date: 2022-05-31

> Macro (auibutton)


> ⚠️ **Note**
> ⚠️ 
> ⚠️ **For rollback purposes**<span style="color: #333333">, please back up your database before starting the upgrade process or test the new BigPicture version on an isolated environment</span>

# Bug fixes

- BP/BG restore crashed because of "TECH_UNIQUENESS" does not exist
- Error when accessing scope def with manually added for which taskId is not found
- MYSQL DB. BP/BG loading crashed. ERROR: Specified key was too long
- Scheduling Period Events consume a lot of memory and are persisted regardless of changes

# Statistics

> Macro (div)
> 
> > Macro (legacy-content)
> 
> > Macro (legacy-content)


# Bug fixes list

> ℹ️ Use "Incognito mode" to open below tickets and find out the details.


> Macro (div)
> 
> > Macro (jira)

# Known issues

> Macro (jira)