# Meilisearch v1.2.0 — Release & Upgrade Intelligence
- **Product:** Meilisearch (https://meilisearch.com)
- **Version:** v1.2.0
- **Released:** Jun 05, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/meilisearch/updates/v1.2.0/

## Executive Summary (TL;DR)
Meilisearch v1.2.0. Source highlight: Meilisearch v1.2 introduces new filter operators `IS NULL` and `IS EMPTY`, a new route to delete documents with filters, and significant relevancy and performance updates.

## New Features
- Introduce experimental feature to reduce the RAM usage. Can be useful if Meilisearch is sometimes killed by your OS. Check out this discussion to get more information and how to use it (#3651) @Kerollmops
- Add boolean support for CSV documents (#3576) @irevoire
- Add scheduled tests for all features to Actions (#3510) @jlucktay
- Add SDK tests to CI (#3709) @curquiza
- Add newline after the meilisearch version in the issue template (#3636) @bidoubiwa
- Add sprint issue to template issues (#3643) @curquiza

## Improvements
- The fastest 75 percent of queries now consistently answer below 50ms on our test setup
- Complexity of search queries has been limited to limit CPU time and RAM consumption. More specifically:
- A single term is now limited to 150 possible typo matches for queries containing 1 typo, and to 50 possibilities for queries containing 2 typos
- Both single word or multi word queries consider a maximum of 50 synonyms
- The total number of words for all synonyms of a single term cannot exceed 100
- Queries can now contain a maximum of 1000 words. This change only impacts queries containing very long phrases. Search terms (words not inside a phrase, and individual phrases) remain limited to 10 per query

## Bug Fixes
- Improve the `GET /health` route by ensuring the internal DB is not down (#3647) @irevoire
- Handle single quotation mark (`’`) and apostrophe (`'`) the same way (#3702) @ManyTheFish
- Fix the sort error message: regression seen in v1.1 (#3749 and #3755) @ManyTheFish