Changelog - 2021 — Gunicorn 21.0.0 documentation

# Changelog - 2021

Note

Please see Changelog for the latest changes

## 20.1.0 - 2021-02-12

- document WEB_CONCURRENCY is set by, at least, Heroku

- capture peername from accept: Avoid calls to getpeername by capturing the peer name returned by accept

- log a warning when a worker was terminated due to a signal

- fix tornado usage with latest versions of Django

- add support for python -m gunicorn

- fix systemd socket activation example

- allows to set wsgi application in configg file using wsgi_app

- document –timeout = 0

- always close a connection when the number of requests exceeds the max requests

- Disable keepalive during graceful shutdown

- kill tasks in the gthread workers during upgrade

- fix latency in gevent worker when accepting new requests

- fix file watcher: handle errors when new worker reboot and ensure the list of files is kept

- document the default name and path of the configuration file

- document how variable impact configuration

- document the $PORT environment variable

- added milliseconds option to request_time in access_log

- added PIP requirements to be used for example

- remove version from the Server header

- fix sendfile: use socket.sendfile instead of os.sendfile

- reloader: use absolute path to prevent empty to prevent0 InotifyError when a file is added to the working directory

- Add –print-config option to print the resolved settings at startup.

- remove the –log-dict-config CLI flag because it never had a working format (the logconfig_dict setting in configuration files continues to work)

** Breaking changes **

- minimum version is Python 3.5

- remove version from the Server header

** Documentation **

** Others **

- miscellaneous changes in the code base to be a better citizen with Python 3

- remove dead code

- fix documentation generation