# NocoDB 0.91.0 — Release & Upgrade Intelligence
- **Product:** NocoDB (https://nocodb.com)
- **Version:** 0.91.0
- **Released:** May 23, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nocodb/updates/0.91.0/

## Executive Summary (TL;DR)
NocoDB 0.91.0. Source highlight: 🚀 NocoDB : Feature Release : Import Airtable to NocoDB

## New Features
- Add information message when double clicking formula cell and add help text by hovering the function name
- Add circular reference detection. Example: `formula1 -> formula2 -> formula3 -> formula4 ("HELLO")`.
- [**closed**] Feature request : Enforced primary key should be selectable non-integer #2006
- [**Type: Enhancement**][**Status: Need Internal Discussion**] Query parameter to limit fields in returned relations [Feature]  #1763
- feat: quick import
- feat: Airtable import

## Improvements
- 🚀 Column improvements : Ratings
- 🚀 Formula enhancements
- Improve formula argument validations
- docs: improve chinese translation
- enhancement: formula

## Bug Fixes
- [**Status: Fixed**][**Type: In Development**] [quick import] form view drag & drop opens up import modal #2044
- [**Status: Fixed**][**Type: In Development**] [quick import] shared base view mode - displays add table header #2043
- [**Type: Bug**][**DB: All**] DateTime value not saved  #1978
- [**Status: More Info Needed**][**Status: Fixed**] Synologoy NAS : the 0.90.10 docker container crash #1970
- fix: Including all fields of nested record
- fix i18n for zh_CN