[comment]: # translation:outdated

[comment]: # ({new-ad64aa2d})
# 29 Upgrade notes for 6.4.19

[comment]: # ({/new-ad64aa2d})

[comment]: # ({new-3f46d13c})

## Databases

[comment]: # ({/new-3f46d13c})

[comment]: # ({new-02ce5a0b})

#### Database changes

A slow template cloning issue has been resolved by adding indexes for the uuid field. This change may cause long upgrade times on large datasets.

[comment]: # ({/new-02ce5a0b})