# Changelog - 2021 !!! note Please see [news](news.md) 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 config 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