v5.3.0

• Automatically instrument FastAPI with logfire run by @alexmojaki in #2606
• Automatically instrument Starlette apps with logfire run by @alexmojaki in #2596
• Automatically instrument Flask apps with logfire run by @alexmojaki in #2594
• Raise when SQLAlchemy instrumentation is skipped by @maaz-bin-hassan in #2602
• Add pending_spans option by @adriangb in #2580
• Honor exception callback levels when setting span status by @alexmojaki in #2592
• Scrub passphrase, signing_key and hmac_key by default by @sridhar-3009 in #2593
• Scrub OAuth-style token names (access_token, refresh_token, id_token, bearer_token) by default by @sridhar-3009 in #2551
• Treat logfire.tags passed through structlog as log tags by @Thanatos9404 in #2598
• Treat logfire.tags passed through logging and loguru as log tags by @Thanatos9404 in #2550
• Suppress native FastAPI telemetry by @alexmojaki in #2629
• Require certifi 2026.10.19 to distrust compromised eMudhra chains by @alexmojaki in #2640
• Format range attributes in the console exporter by @fhgffy in #2534
• Format bytearray attributes in the console exporter by @sebxt in #2591
• Fix DataFrame labels below pandas display limits by @fallintoplace in #2509
• Handle zero-dimensional NumPy arrays in console formatting by @dailyun in #2621
• Clarify CLI account switching and logout scope by @alexmojaki in #2552
• Include the dataset in url_from_eval links when the report has one by @jirikuncar in #2566
• Keep the parent context for spans started while instrumentation is suppressed by @adtyavrdhn in #2570
• Record response id and finish reasons for streamed OpenAI and Anthropic calls by @flcrom in #2545
• Record the response model for streamed OpenAI and Anthropic calls by @darshjoshi in #2558
• Record OpenAI refusals in gen_ai.output.messages by @pcbeingused333 in #2582
• Record streamed OpenAI Responses that end as incomplete or failed by @SergeevDmitry in #2565
• Record response id and finish reason on Claude Agent SDK chat spans by @pcbeingused333 in #2620
• Record cache token usage on Anthropic spans by @pcbeingused333 in #2616
• Record cached prompt tokens on OpenAI spans by @pcbeingused333 in #2617
• Record why a Claude Agent SDK run ended in error by @pcbeingused333 in #2622
• Record finish reasons for OpenAI Responses API calls by @pcbeingused333 in #2619
• Record response id and finish reasons on OpenAI Agents Responses spans by @pcbeingused333 in #2632
• Record Responses API refusals as text in gen_ai.output.messages by @pcbeingused333 in #2618
• Return the provider response when recording it fails by @devjoinedthechat in #2559
• Preserve all Anthropic tool result content parts by @alexmojaki in #2634
• Don't let Litestar routing errors escape span naming by @devjoinedthechat in #2560
• Read stable database semconv attributes when building DB span messages by @devjoinedthechat in #2561
• Don't send empty schemas when pushing a dataset typed with Any by @digit50 in #2578
• Exclude the working directory from sys.path while logfire run instruments packages by @Kludex in #2623
• Keep CLI tracing from replacing the global provider by @widechaos in #2611
• Isolate CLI diagnostic logging from application logging by @alexmojaki in #2625