# Milestone M33 - performance improvements and data integrity fixes

- **Authors**: Joseph Mathew
- **Published**: 2025-04-07
- **URL**: https://www.neeto.com/neetoengage/blog/milestone-m33-updates

---

Let's go through what we got done in Milestone M33 (Mar 24 - Apr 06).

#### Enhancements

- Addressed performance and consistency issues reported by the `active_record_doctor` gem by adding necessary indices, removing unused ones and adding validations at both the database and model levels.

#### Bug fixes

- Added uniqueness validation to the `Vote` model to prevent duplicate entries and handle unique constraint violations.