# Dify 0.3.21 — Release & Upgrade Intelligence
- **Product:** Dify (https://dify.ai)
- **Version:** 0.3.21
- **Released:** Sep 10, 2023
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/dify/updates/0.3.21/

## Executive Summary (TL;DR)
Dify 0.3.21. Source highlight: ⚠️ [BREAKING CHANGE] ⚠️

## Breaking Changes & Deprecations
- ⚠️ [BREAKING CHANGE] ⚠️ - The fixed parameters of the `Query content` in the text generation application have been removed. Users can freely add any variables in the prompt, instead of appending the content of the query content at the end.

## New Features
- feat: support optional query content
- feat: cache huggingface gpt2 tokenizer files
- feat: set transformers offline default true
- feat: bump version to 0.3.21

## Bug Fixes
- The fixed parameters of the `Query content` in the text generation application have been removed. Users can freely add any variables in the prompt, instead of appending the content of the query content at the end.
- fix: in log page not show user query
- fix: log page compatible old query
- fix: remove the deprecated depends_on.condition format
- fix: TRANSFORMERS_OFFLINE orders in Dockerfile