• Fix erroneous <circular reference> when object is repeated in list by @alexmojaki in #664

• Add logfire.instrument_aws_lambda by @Kludex in #657

• Update the process.pid resource attribute after os.fork() by @alexmojaki in #647
• Check for os.register_at_fork before calling by @alexmojaki in #648

• Use exc_info in structlog processor by @alexmojaki in #641
• Re-seed random ID generator after os.fork() by @alexmojaki in #644

• Add instrument_sqlite3 by @Kludex in #634

• Add logfire.suppress_scopes method by @alexmojaki in #628
• Replace ModuleNotFoundError by ImportError by @Kludex in #622

• Allow new context argument of metric instrument methods to be passed positionally by @alexmojaki in #616

• Support logfire.instrument without arguments by @Kludex in #607
• Handle internal errors in create_json_schema by @alexmojaki in #613
• Handle errors in auto-tracing better by @alexmojaki in #610

• Respect repr on fields when logging a dataclass by @dmontagu in #592
• Allow extract_args to be an iterable of argument names by @alexmojaki in #570
• Make metric instrument methods compatible with older OTel versions by @alexmojaki in #600
• Add span links by @Kludex in #587

• Ignore trivial/empty functions in auto-tracing by @alexmojaki in #596
• Handle missing attributes in _custom_object_schema by @alexmojaki in #597
• Let user know what they should install for integrations by @Kludex in #593

• Allow instrumenting a single httpx client by @alexmojaki in #575
• Log LLM tool call for streamed response by @jackmpcollins in #545

• Check .logfire for creds to respect 'if-token-present' setting by @sydney-runkle in #561

• Use functools.wraps in @logfire.instrument by @alexmojaki in #562
• Set logfire.code.work_dir resource attribute whenever other code source attributes are present by @alexmojaki in #563
• Don't scrub logfire.logger_name by @alexmojaki in #564

• Add ASGI & WSGI instrument methods by @Kludex in #324
• Add logfire.work_dir resource attribute by @Kludex in #532
• Add logfire.configure(environment=...) by @Kludex in #557
• Show message from API backend when checking token fails by @alexmojaki in #559

• @logfire.instrument() no longer needs source code by @alexmojaki in #543. BREAKING CHANGES caused by this:
  • Functions decorated with @logfire.instrument() and functions nested within them can now be auto-traced unlike before. Use @logfire.no_auto_trace anywhere on functions you want to exclude, especially the instrumented function.
  • Decorated async generator functions won't support the .asend method properly - the generator will only receive None. But instrument shouldn't be used on generators anyway unless the generator is being used as a context manager, so new warnings about this have been added. See https://logfire.pydantic.dev/docs/guides/advanced/generators/#using-logfireinstrument

• Handle NonRecordingSpans for fastapi arguments by @alexmojaki in #551
• Preserve docstrings in auto-tracing by @alexmojaki in #550

• Handle null fastapi route.name and route.operation_id by @alexmojaki in #547

• Add Code Source links by @Kludex in #451 and #505
• Add fastapi arguments attributes directly on the root OTel span, remove use_opentelemetry_instrumentation kwarg by @alexmojaki in #509
• Allow setting tags on logfire spans by @AdolfoVillalobos in #497
• Add logger name to LogfireLoggingHandler spans by @samuelcolvin in #534
• Format None as None instead of null in messages by @alexmojaki in #525
• Use PYTEST_VERSION instead of PYTEST_CURRENT_TEST to detect logfire.configure() being called within a pytest run but outside any test by @Kludex in #531

• Add local parameter to logfire.configure() by @alexmojaki in #508

• Fix error in checking for generators in auto-tracing by @alexmojaki in pydantic#498
• Support 'if-token-present' for env var 'LOGFIRE_SEND_TO_LOGFIRE' by @sydney-runkle in pydantic#488
• Use Compression.Gzip by @Kludex in pydantic#491

• Fix warning about unregistered MetricReaders by @alexmojaki in pydantic#465

• Upgrade DeprecationWarnings to UserWarnings by @alexmojaki in pydantic#458
• Update query client APIs by @dmontagu in pydantic#454

• Replace pydantic_plugin in logfire.configure() with logfire.instrument_pydantic() by @alexmojaki in pydantic#453
• Keep METRICS_PREFERRED_TEMPORALITY private by @alexmojaki in pydantic#456
• Use SeededRandomIdGenerator by default to prevent interference from random.seed by @alexmojaki in pydantic#457

• Changes in logfire.configure():
  • Remove show_summary and fast_shutdown by @alexmojaki in pydantic#431
  • Move base_url, id_generator, and ns_timestamp_generator parameters into advanced: AdvancedOptions by @alexmojaki in pydantic#432
  • Add metrics parameter by @alexmojaki in pydantic#444
• Remove default min_duration for install_auto_tracing by @alexmojaki in pydantic#446

• Tail sampling by @alexmojaki in pydantic#407
• Use OTEL scopes better, especially instead of tags by @alexmojaki in pydantic#420
• Deprecate project_name in logfire.configure(), remove old kwargs from signature by @alexmojaki in pydantic#428
• Fix websocket span messages by @alexmojaki in pydantic#426
• Remove warning about attribute/variable name conflicts in f-string magic by @alexmojaki in pydantic#418

• Handle FastAPI update with SolvedDependencies by @alexmojaki in pydantic#415
• Add experimental client for the Logfire Query API by @dmontagu in pydantic#405
• Remove default_span_processor parameter from configure by @alexmojaki in pydantic#400
• Remove custom_scope_suffix parameter of Logfire.log by @alexmojaki in pydantic#399
• Add missing service_version field to _LogfireConfigData so that it gets copied into subprocesses by @alexmojaki in pydantic#401

• System metrics are no longer collected by default when the correct dependency is installed. Use logfire.instrument_system_metrics() to enable system metrics collection. If you are simply using the old 'Basic System Metrics' dashboard, then no further code changes are required, but that dashboard will no longer work properly and you should create a new dashboard from the template named 'Basic System Metrics (Logfire)'. If you were using other collected metrics, see the documentation for how to collect those. By @alexmojaki in pydantic#373
• Stop collecting package versions by @alexmojaki in pydantic#387
• Don't auto-trace generators by @alexmojaki in pydantic#386
• Disable ASGI send/receive spans by default by @alexmojaki in pydantic#371

• Add py.typed file to logfire-api by @jackmpcollins in pydantic#379
• Check LambdaRuntimeClient before logging tracebacks in _ensure_flush_after_aws_lambda by @alexmojaki in pydantic#388

(Previously released as v0.50.0, then yanked due to pydantic#367)

• BREAKING CHANGES: Separate sending to Logfire from using standard OTEL environment variables by @alexmojaki in pydantic#351. See https://logfire.pydantic.dev/docs/guides/advanced/alternative_backends/ for details. Highlights:
  • OTEL_EXPORTER_OTLP_ENDPOINT is no longer just an alternative to LOGFIRE_BASE_URL. Setting OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT, and/or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT will set up appropriate exporters in addition to sending to Logfire, which must be turned off separately if desired. These are basic exporters relying on OTEL defaults. In particular they don't use our custom retrying logic.
  • LOGFIRE_BASE_URL / logfire.configure(base_url=...) is now only intended for actual alternative Logfire backends, which are currently only available to Logfire developers, and unlike OTEL_EXPORTER_OTLP_ENDPOINT requires authenticating with Logfire.
  • Pending spans are only sent to logfire-specific exporters.
• Add capture_statement to Redis instrumentation by @Kludex in pydantic#355

• Add missing return on instrument methods by @Kludex in pydantic#360
• Add logfire.exception() to logfire-api by @Kludex in pydantic#358
• Remove TypeAlias from code source by @Kludex in pydantic#359
• Turn ParamSpec non-private by @Kludex in pydantic#361

• Add logfire.instrument_mysql() by @aditkumar72 in pydantic#341
• Set OTEL status description when logging exceptions by @alexmojaki in pydantic#348
• Switch UpDownCounters to cumulative aggregation temporality by @alexmojaki in pydantic#347
• Log more info about internal errors by @alexmojaki in pydantic#346

• Handle newer opentelemetry versions by @alexmojaki in pydantic#337
• More lenient handling of loguru message mismatch and better warnings by @alexmojaki in pydantic#338
• Add better type hints for HTTPX and AsyncPG by @Kludex in pydantic#342
• Handle setuptools changing sys.path for importing packaging.version by @alexmojaki in pydantic#344

• Add instrument_celery method by @Kludex in pydantic#322
• capture_headers by @alexmojaki in pydantic#318
• Handle message formatting errors by @alexmojaki in pydantic#329
• Handle logging None with loguru by @alexmojaki in pydantic#331

• Fix recursive logging from OTEL's BatchSpanProcessor by @alexmojaki in pydantic#306
• Set sqlalchemy 'connect' spans to debug level by @alexmojaki in pydantic#307
• Add type hints to instrument methods by @Kludex in pydantic#320
• Handle older versions of anthropic by @alexmojaki in pydantic#316
• Update dependencies, handle change in importlib by @alexmojaki in pydantic#323
• Summarize db.statement in message by @alexmojaki in pydantic#308
• Handle and test other OpenAI/Anthropic client methods by @alexmojaki in pydantic#312

• Fix release process for logfire-api by @Kludex in pydantic#303

• Add logfire-api by @Kludex in pydantic#268
• Use exponential histogram buckets by @alexmojaki in pydantic#282
• Add attribute noting details of scrubbed values by @alexmojaki in pydantic#278
• Ensure force_flush at end of AWS Lambda invocation by @alexmojaki in pydantic#296

• Fix ignore no config warning message by @ba1mn in pydantic#292
• Ensure StaticFiles doesn't break instrument_fastapi by @alexmojaki in pydantic#294

• Add scrubbing: ScrubbingOptions | False parameter to logfire.configure, replacing scrubbing_patterns and scrubbing_callback by @alexmojaki in pydantic#283
• Fix and test unmapped SQLModels by @alexmojaki in pydantic#286
• Optimize collect_package_info by @alexmojaki in pydantic#285

• Prevent 'dictionary changed size during iteration' error in install_auto_tracing by @alexmojaki in pydantic#277
• suppress_instrumentation when retrying exports by @alexmojaki in pydantic#279
• Log async stack in log_slow_async_callbacks by @alexmojaki in pydantic#280

• BREAKING CHANGE: Remove default for modules parameter of install_auto_tracing by @alexmojaki in pydantic#261
• BREAKING CHANGE: Check if logfire token is valid in separate thread, so logfire.configure won't block startup and will no longer raise an exception for an invalid token, by @alexmojaki in pydantic#274
• Remove logfire_api_session parameter from logfire.configure by @alexmojaki in pydantic#272
• Default the log level to error if the status code is error, and vice versa by @alexmojaki in pydantic#269
• Avoid importing gitpython by @alexmojaki in pydantic#260
• Only delete files on logfire clean by @Kludex in pydantic#267
• Bug fix: Logging arguments of a request to a FastAPI sub app by @sneakyPad in pydantic#259
• Fix query params not being in message by @alexmojaki in pydantic#271
• Replace 'Redacted' with 'Scrubbed' in 'Redacted due to...' by @alexmojaki in pydantic#273

• Improved handling of request errors when exporting by @alexmojaki in pydantic#252
• ignore_no_config setting added to pyproject.toml by @deepakdinesh1123 in pydantic#254
• Make logfire whoami respect the LOGFIRE_TOKEN env var by @alexmojaki in pydantic#256

• Fix backfill command by @alexmojaki in pydantic#243
• Update Anthropic to use tools that are no longer in beta by @willbakst in pydantic#249
  • Anthropic instrumentation now requires anthropic>=0.27.0

• BREAKING CHANGE: The processors parameter of logfire.configure() has been replaced by additional_span_processors. Passing processors will raise an error. Unlike processors, setting additional_span_processors to an empty sequence will not disable the default span processor which exports to Logfire. To do that, pass send_to_logfire=False. Similarly metric_readers has been replaced by additional_metric_reader. By @alexmojaki in pydantic#233
• Improve error raised when opentelemetry.instrumentation.django is not installed by @deepakdinesh1123 in pydantic#231
• Handle internal errors by @alexmojaki in pydantic#232

Add new methods for easier integration in pydantic#207:

• instrument_flask
• instrument_starlette
• instrument_aiohttp_client
• instrument_sqlalchemy
• instrument_pymongo
• instrument_redis

BREAKING CHANGE: Calling logfire.info, logfire.error, logfire.span etc. will no longer automatically configure logfire if it hasn't been configured already. Instead it will emit a warning and not log anything. Users must call logfire.configure() before they want logging to actually start, even if they don't pass any arguments to configure and all configuration is done by environment variables. Using integrations like logfire.instrument_fastapi() before calling configure will also emit a warning but it will still set up the instrumentation, although it will not log anything until configure is called.

• Add logfire.suppress_instrumentation context manager, silence urllib3 debug logs from exporting by @jlondonobo in pydantic#197

• Fix structlog import by @alexmojaki in pydantic#217

• Allow passing OTEL kwargs through instrument_fastapi by @alexmojaki in pydantic#205
• Retry connection errors by @alexmojaki in pydantic#214

• Add logfire.instrument_requests() by @tlpinney in pydantic#196
• Add logfire.instrument_httpx() by @tlpinney in pydantic#198
• Add logfire.instrument_django() by @inspirsmith in pydantic#200

• Allow instrumenting OpenAI/Anthropic client classes or modules by @alexmojaki in pydantic#191

• Fix logging integrations with non-string messages by @alexmojaki in pydantic#179
• Anthropic instrumentation by @willbakst in pydantic#181

• Add 'executing' version to 'logfire info' output by @alexmojaki in pydantic#180
• Don't use include_url with Pydantic's V1 ValidationError by @Kludex in pydantic#184

• Don't scrub spans from OpenAI integration by @alexmojaki in pydantic#173
• Convert FastAPI arguments log to span, don't set to debug by default by @alexmojaki in pydantic#164
• Raise an exception when Pydantic plugin is enabled on Pydantic <2.5.0 by @bossenti in pydantic#160
• Do not require project name on logfire projects use command by @Kludex in pydantic#177

• Improve error when opentelemetry-instrumentation-fastapi is missing by @Kludex in pydantic#143
• Set send_to_logfire to False when running under Pytest by @Kludex in pydantic#154
• Add logfire.metric_gauge() by @Kludex in pydantic#153
• Use stack_info instead of stack_offset by @Kludex in pydantic#137
• Fix JSON encoding/schema of pydantic v1 models by @alexmojaki in pydantic#163
• Handle intermediate logging/loguru levels by @alexmojaki in pydantic#162
• Add exception on console by @Kludex in pydantic#168
• f-string magic by @alexmojaki in pydantic#151

• Close spans when process shuts down before the exporter shuts down and drops them by @alexmojaki in pydantic#108
• add psycopg in OTEL_PACKAGES and optional-dependencies by @Elkiwa in pydantic#115
• [PYD-877] Log OpenAI streaming response at the end instead of opening a span and attaching context in a generator that may not finish by @alexmojaki in pydantic#107
• Increase minimum typing-extensions version by @Kludex in pydantic#129
• Add note about creating write tokens when user is not authenticated by @Kludex in pydantic#127
• Make pip install command printed by 'logfire inspect' easy to copy by @alexmojaki in pydantic#130

• Add log level on on_start for ASGI send and receive messages by @Kludex in pydantic#94
• Support a dataclass type as an argument by @dmontagu in pydantic#100
• Add min_log_level to console options by @Kludex in pydantic#95
• Improve the OpenAI integration by @Kludex in pydantic#104

• Fix pydantic plugin for cloudpickle by @alexmojaki in pydantic#86
• Handle unloaded SQLAlchemy fields in JSON schema by @alexmojaki in pydantic#92

• Fix OpenAI streaming empty chunk error by @hramezani in pydantic#69
• Update pyproject.toml to include logfire in sdist build target by @syniex in pydantic#51
• Recommend opentelemetry-instrumentation-sklearn on scikit-learn instead of sklearn by @Kludex in pydantic#75

• Don't scrub 'author' by @alexmojaki in pydantic#55
• Check if object is SQLAlchemy before dataclass by @Kludex in pydantic#67

• Add logfire.instrument_asyncpg() by @alexmojaki in pydantic#44

First release from new repo!

• Update README by @Kludex in pydantic#2
• Add linter & pipeline by @Kludex in pydantic#1
• Use Python 3.8 for pipeline by @Kludex in pydantic#3
• Use Rye instead of Poetry by @Kludex in pydantic#5
• Add test suite by @Kludex in pydantic#6
• Add custom PyPI by @Kludex in pydantic#7
• Add release job by @Kludex in pydantic#8
• Install rye on release job by @Kludex in pydantic#9
• Add latest monorepo changes by @Kludex in pydantic#10
• Add Python 3.12 to CI by @hramezani in pydantic#11
• improve readme and related faff by @samuelcolvin in pydantic#12
• CF pages docs build by @samuelcolvin in pydantic#14
• Create alert docs by @Kludex in pydantic#15
• improve the readme and contributing guide by @samuelcolvin in pydantic#16
• Add classifiers by @hramezani in pydantic#17
• tell rye to use uv by @samuelcolvin in pydantic#19
• Adding docs for instrument_openai by @samuelcolvin in pydantic#18
• Live view docs by @samuelcolvin in pydantic#20
• Add logfire info and issue templates by @samuelcolvin in pydantic#22
• Add GitHub discussions to help page, remove "login", show source link by @samuelcolvin in pydantic#23
• setup coverage by @samuelcolvin in pydantic#24
• improve coverage by @samuelcolvin in pydantic#25
• Write token docs (#2244) by @Kludex in pydantic#27
• add direct connect docs by @davidhewitt in pydantic#26
• Add dashboard docs by @Kludex in pydantic#28
• Add SQL Explore docs by @Kludex in pydantic#29
• Make the psycopg2 docs runnable as is by @Kludex in pydantic#31
• Add Rye to installation by @Kludex in pydantic#33
• Apply Logfire brand colors by @Kludex in pydantic#32
• logfire.instrument_psycopg() function by @alexmojaki in pydantic#30
• Handle recursive logging from OTEL by @alexmojaki in pydantic#35
• Improve MongoDB docs by @Kludex in pydantic#34
• Improve colors by @dmontagu in pydantic#38
• Rename files to not have numeric prefixes by @dmontagu in pydantic#39
• Handle cyclic references in JSON encoding and schema by @alexmojaki in pydantic#37
• Ensure logfire.testing doesn't depend on pydantic and eval_type_backport by @alexmojaki in pydantic#40
• Allow using pydantic plugin with models defined before calling logfire.configure by @alexmojaki in pydantic#36