# FastAPI changelog

> High-performance web framework for building APIs with Python.

- Vendor: FastAPI
- Category: Frameworks & Libraries
- Official site: https://fastapi.tiangolo.com
- Tracked by: What's New (https://whatsnew.fyi/product/fastapi)
- Harvested from: Registry (pypi: fastapi)
- Entries below: 25 of 28 (newest first; the rest are on https://whatsnew.fyi/product/fastapi)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### 0.140.13

- Date: 2026-07-28
- Version: 0.140.13
- Original notes: https://pypi.org/project/fastapi/0.140.13/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.13

### 0.140.12

- Date: 2026-07-28
- Version: 0.140.12
- Original notes: https://pypi.org/project/fastapi/0.140.12/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.12

### 0.140.11

- Date: 2026-07-28
- Version: 0.140.11
- Original notes: https://pypi.org/project/fastapi/0.140.11/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.11

### 0.140.10

- Date: 2026-07-28
- Version: 0.140.10
- Original notes: https://pypi.org/project/fastapi/0.140.10/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.10

### 0.140.9

- Date: 2026-07-28
- Version: 0.140.9
- Original notes: https://pypi.org/project/fastapi/0.140.9/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.9

### 0.140.8

- Date: 2026-07-28
- Version: 0.140.8
- Original notes: https://pypi.org/project/fastapi/0.140.8/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.8

### 0.140.7

- Date: 2026-07-27
- Version: 0.140.7
- Original notes: https://pypi.org/project/fastapi/0.140.7/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.7

### 0.140.6

- Date: 2026-07-27
- Version: 0.140.6
- Original notes: https://pypi.org/project/fastapi/0.140.6/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.6

### 0.140.5

- Date: 2026-07-27
- Version: 0.140.5
- Original notes: https://pypi.org/project/fastapi/0.140.5/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.5

### 0.140.4

- Date: 2026-07-27
- Version: 0.140.4
- Original notes: https://pypi.org/project/fastapi/0.140.4/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.4

### 0.140.3

- Date: 2026-07-27
- Version: 0.140.3
- Original notes: https://pypi.org/project/fastapi/0.140.3/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.3

### 0.140.2

- Date: 2026-07-27
- Version: 0.140.2
- Original notes: https://pypi.org/project/fastapi/0.140.2/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.2

### 0.140.1

- Date: 2026-07-27
- Version: 0.140.1
- Original notes: https://pypi.org/project/fastapi/0.140.1/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.1

### 0.140.0

- Date: 2026-07-24
- Version: 0.140.0
- Original notes: https://pypi.org/project/fastapi/0.140.0/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.140.0

### 0.139.2

- Date: 2026-07-16
- Version: 0.139.2
- Original notes: https://pypi.org/project/fastapi/0.139.2/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.139.2

### 0.139.1

- Date: 2026-07-16
- Version: 0.139.1
- Original notes: https://pypi.org/project/fastapi/0.139.1/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.139.1

### 0.139.0

- Date: 2026-07-01
- Version: 0.139.0
- Original notes: https://pypi.org/project/fastapi/0.139.0/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.139.0

### 0.138.2

- Date: 2026-06-29
- Version: 0.138.2
- Original notes: https://pypi.org/project/fastapi/0.138.2/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.138.2

### 0.138.1

- Date: 2026-06-25
- Version: 0.138.1
- Original notes: https://pypi.org/project/fastapi/0.138.1/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.138.1

### 0.138.0

- Date: 2026-06-20
- Version: 0.138.0
- Original notes: https://pypi.org/project/fastapi/0.138.0/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.138.0

### 0.137.2

- Date: 2026-06-18
- Version: 0.137.2
- Original notes: https://pypi.org/project/fastapi/0.137.2/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.137.2

### 0.137.1

- Date: 2026-06-15
- Version: 0.137.1
- Original notes: https://pypi.org/project/fastapi/0.137.1/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.137.1

### 0.137.0

- Date: 2026-06-14
- Version: 0.137.0
- Original notes: https://pypi.org/project/fastapi/0.137.0/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.137.0

### 0.136.3

- Date: 2026-05-23
- Version: 0.136.3
- Original notes: https://pypi.org/project/fastapi/0.136.3/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.136.3

### 0.136.1

- Date: 2026-04-23
- Version: 0.136.1
- Original notes: https://pypi.org/project/fastapi/0.136.1/
- Permalink: https://whatsnew.fyi/product/fastapi/releases/0.136.1