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Python SDK

Version 2026.3.0 — 2026-03-10

  • Update dependencies
  • Internal releasing changes
  • Change the brand in versions and licenses
  • Switch versioning to calver
  • Fix incorrect comment

Version 1.20.37 — 2025-12-15

  • Internal releasing changes

Version 1.20.36 — 2025-12-11

Version 1.20.35 — 2025-12-11

  • Internal releasing changes

Version 1.20.34 — 2025-10-27

  • Python probe `3.14` support
  • Internal releasing changes

Version 1.20.33 — 2025-07-30

  • APM connection re-use issues
  • Add Ping support to WSGI frameworks

Version 1.20.32 — 2025-07-21

  • [Python] Remove setuptools dependency (pkg_resources)
  • Internal releasing changes

Version 1.20.31 — 2025-07-08

  • Internal releasing changes
  • Hide pixel tracking

Version 1.20.30 — 2025-06-10

  • Internal releasing changes

Version 1.20.29 — 2025-06-05

  • This is the latest version supporting Python 2.7
  • Internal releasing changes

Version 1.20.28 — 2025-06-04

  • Internal releasing changes

Version 1.20.27 — 2025-05-30

  • Inject JS probe to WSGI middleware

Version 1.20.26 — 2025-02-17

  • Fix Odoo v15 and up

Version 1.20.25 — 2025-01-28

  • Internal releasing changes
  • Close connection before reconnect and log reconnect

Version 1.20.24 — 2025-01-13

  • Internal releasing changes

Version 1.20.23 — 2024-11-25

  • `APM` share a single connection
  • Internal releasing changes
  • Remove `eol` versions from test suite

Version 1.20.22 — 2024-10-24

  • Print `Warning` when `uwsgi` is not running on `enable-threads`

Version 1.20.21 — 2024-10-15

  • Test against python `3.13`
  • Internal Releasing changes

Version 1.20.20 — 2024-09-16

  • Internal Releasing changes

Version 1.20.19 — 2024-05-21

  • Fix `segfault` when extended trace is on

Version 1.20.16 — 2024-04-29

  • Internal Releasing changes

Version 1.20.15 — 2024-03-18

  • Internal releasing changes

Version 1.20.14 — 2024-02-19

  • Internal releasing changes

Version 1.20.13 — 2024-02-02

  • Drop unnecessary getpid() in get_os_memory_usage()
  • Do not call atexit.register for every txn

Version 1.20.12 — 2024-01-29

  • Generate manylinux aarch64 binaries

Version 1.20.11 — 2024-01-25

  • Reintroduce manylinux compatible binaries

Version 1.20.10 — 2024-01-16

  • Internal releasing changes

Version 1.20.9 — 2024-01-08

  • Internal releasing changes

Version 1.20.8 — 2024-01-05

  • Internal releasing changes

Version 1.20.7 — 2024-01-05

  • Internal releasing changes

Version 1.20.6 — 2024-01-05

  • Internal releasing changes

Version 1.20.5 — 2024-01-05

  • Internal releasing changes

Version 1.20.4 — 2024-01-05

  • Internal releasing changes

Version 1.20.3 — 2024-01-04

  • Internal releasing changes

Version 1.20.2 — 2024-01-04

  • Internal releasing changes

Version 1.20.1 — 2023-12-21

  • Update documentation links

Version 1.20.0 — 2023-11-03

  • Python 3.12 Windows support

Version 1.19.0 — 2023-10-20

  • Python 3.12 support

Version 1.18.0 — 2023-05-24

  • Enable monitoring by default

Version 1.17.0 — 2023-04-11

  • Add Pyramid WSGI integration
  • Do not log to stderr when BLACKFIRE_LOG_FILE is specified
  • Various fixes related to stability

Version 1.16.6 — 2023-02-28

  • Use `path_info` instead of `request_uri` for monitoring WSGI applications

Version 1.16.5 — 2023-02-21

  • fix incorrect number of args. for `send_response` in WSGI middleware

Version 1.16.4 — 2022-12-28

  • Workaround for a segfault happening on `3.11`
  • Fix error prints when retrieving function name and `self` is not a class

Version 1.16.2 — 2022-12-19

  • Fix profiling on FastAPI when sub applications feature is used

Version 1.16.1 — 2022-12-09

  • Support Python 3.11/3.10 on Windows
  • Support Python 3.7 on Mac ARM
  • Add HTTP request naming support for monitoring

Version 1.15.0 — 2022-10-31

  • Support Python 3.11
  • Change APM timespan defaults

Version 1.14.0 — 2022-09-06

  • Support profiling of multiple threads simultaneously

Version 1.13.0 — 2022-06-22

  • APM start_transaction() API now accepts `name` parameter
  • Use better exception messages/types for Agent communication errors
  • Fix Django middleware throwing exception when response is `FileResponse`

Version 1.12.0 — 2022-05-24

  • Fix a bug that affects matplotlib on 3.10 and up
  • Add a generic WSGI middleware
  • Lock Monitoring if there is any connection problem to the Agent

Version 1.11.0 — 2021-02-23

  • Alpine binaries can be installed via pip
  • Odoo framework support
  • Fix a memory profiling issue when numpy is used
  • Small fixes&improvements

Version 1.10.0 — 2021-01-07

  • Add a decorator for flask views (profile_flask_view)
  • Change BLACKFIRE_LOG_FILE default to stderr
  • Remove all old DeprecationWarnings

Version 1.9.1 — 2021-12-10

  • Fix builds when a non-ASCII character used in .blackfire.yml file

Version 1.9.0 — 2021-12-06

  • Fix an issue that prevents APM time-threshold value to be respected
  • Fix invalid cost-dimensions for extended traces
  • Support APM auto-detection of the view name for FastAPI applications

Version 1.8.1 — 2021-11-22

  • Fix an issue that prevents running Builds on FastAPI

Version 1.8.0 — 2021-11-16

  • Fix encoding issue with Django middleware on Python2.7
  • Fix APM daemon thread not started when gunicorn run with UvicornWorker worker class
  • Add support for auto-profiling and writing scenarios to FastAPI

Version 1.7.1 — 2021-10-25

  • Fixed few minor memory leak issues related to asyncio profiling
  • Fix an issue where Content-Length header was always expected in Flask middleware

Version 1.7.0 — 2021-10-13

  • FastAPI support
  • Support profiling of asyncio applications
  • Support nw dimension
  • Fix various issues related to manual APM API and implement set_tag
  • Fix an issue with pending APM transactions on interpreter shutdown

Version 1.6.1 — 2021-06-29

  • Release Python 3.10 wheels for various platforms
  • Release Apple M1 wheels for 3.8, 3.9 and 3.10
  • Implement various optimizations/refactorings to profiling and monitoring
  • Fix an issue with auto-profiling for Monitoring
  • Implement Monitoring SDK APIs (start_transaction/stop_transaction...)

Version 1.5.6 — 2021-04-26

  • Fix a protocol related bug that prevents some Python recommendations to be shown properly.
  • Fix an issue where two functions sharing same Base class gets merged in a single trace.

Version 1.5.5 — 2021-03-22

  • Remove psutil dependency
  • Add APIs to set title/transaction_name for the current profiling session
  • Support http/https proxy settings for manual profiling
  • Import custom sitecustomize if there is any
  • Fix various issues

Version 1.5.3 — 2020-11-10

  • Fix an issue related to Web profiling
  • Release Python 3.9 wheels on Windows
  • Fix an issue with parsing an IPv6 URL scheme

Version 1.5.2 — 2020-11-02

  • Fix various bugs
  • Add support for Python 3.9

Version 1.5.1 — 2020-10-20

  • Fix various bugs
  • A new `blackfire-python` command for auto-instrumenting Python apps
  • Deprecate `install_bootstrap/uninstall_bootstrap` commands

Version 1.4.5 — 2020-09-04

  • Add 3.8 support for macOS

Version 1.4.4 — 2020-08-26

  • Drop multiprocessing dependency (for easier AWS Lambda integration)

Version 1.4.3 — 2020-08-12

  • Generate wheel distribution for Alpine OS
  • Capture named parameters in Python functions
  • More verbose/prettier logging
  • Defined/Added metrics for various frameworks
  • Add '@profile' decorator to profile single functions

Version 1.4.0 — 2020-05-20

  • Added memory profiler
  • Defined metrics for most of the stdlib. functions (socket, os, subprocess, threading...etc.)
  • Defined metrics for Elasticsearch, Redis, Celery, memcache
  • Add Blackfire-Auth header for Agent->Probe communication
  • Support blackfire.yml
  • Various fixes

Version 1.3.4 — 2020-03-23

  • Added timeline view support
  • Capture PyCFunctionObject args
  • Added Flask middleware
  • Defined Django template metrics
  • Various fixes

Version 1.3.3 — 2020-01-26

  • Added the changelog file