Issues

• kubernetes filter: SIGSEGV with Use_Kubelet when kubelet /pods returns "items": null (uninitialized items_array in search_item_in_items)

  fluent/fluent-bit#12579 · Filter by author tbommanxAI opened on Oct 14, 2026

• tls Off is ignored; AWS credential providers force use_tls to true, so a plain-HTTP endpoint cannot be used

  status: waiting-for-triage
  fluent/fluent-bit#12577 · Filter by author stoo-hodgkinson opened on Oct 14, 2026

• Fluent Bit 5.1.3: Accumulated DLQ chunks exhaust storage.max_chunks_up and block the OTLP output pipeline

  status: waiting-for-triage
  fluent/fluent-bit#12574 · Filter by author art333 opened on Oct 13, 2026
  1

• Problematic dependency of fluent-bit-5.1.3 rpm on libpq.so.private16-5

  status: waiting-for-triage
  fluent/fluent-bit#12573 · Filter by author mike-somethingnooneelsehasusedyet opened on Oct 13, 2026

• in_prometheus_textfile: one scrape is split across chunks, prometheus_exporter only serves the last one

  status: waiting-for-triage
  fluent/fluent-bit#12557 · Filter by author bielids opened on Oct 12, 2026
  1

• Expect filter print whole message exposing confidential information

  status: waiting-for-triage
  fluent/fluent-bit#12556 · Filter by author aklobus00 opened on Oct 12, 2026
  1

• Expect filter check only first condition for a log

  status: waiting-for-triage
  fluent/fluent-bit#12555 · Filter by author aklobus00 opened on Oct 12, 2026
  1

• Blob input crashes when using path globing "<root_folder>/**/*"

  status: waiting-for-triage
  fluent/fluent-bit#12554 · Filter by author Crisvirus opened on Oct 12, 2026
  1

• in_tail: make the stat watcher read interval configurable (hard-coded 250ms adds latency on Windows)

  fluent/fluent-bit#12551 · Filter by author timorkal opened on Oct 11, 2026

• filter_parser: memory leak when the parsed key appears more than once in a record

  status: waiting-for-triage
  fluent/fluent-bit#12535 · Filter by author dpavlov2024 opened on Oct 8, 2026

• out_azure_blob: buffered uploads block the scheduler and hold chunks in memory while the endpoint is failing

  fluent/fluent-bit#12531 · Filter by author amirgo1 opened on Oct 8, 2026

• out_s3: optional schema-driven MessagePack to Arrow/Parquet path (skip the JSON round-trip for structured events)

  fluent/fluent-bit#12528 · Filter by author Shrey93 opened on Oct 7, 2026

• out_websocket: new pooled connections are used without a WebSocket handshake, data is silently dropped

  status: waiting-for-triage
  fluent/fluent-bit#12527 · Filter by author hfg-gh opened on Oct 7, 2026

• in_emitter: rewrite_tag chunks can reach emitter_mem_buf_limit instead of the 2 MB target

  fluent/fluent-bit#12519 · Filter by author terrorobe opened on Oct 5, 2026

• http plugin PATCH method

  fluent/fluent-bit#12517 · Filter by author timorkal opened on Oct 5, 2026
  1

• oauth2: add support for authorization details and larger token responses

  fluent/fluent-bit#12512 · Filter by author danilotrninic-db opened on Oct 2, 2026

• stackdriver response body dropped

  status: waiting-for-triage
  fluent/fluent-bit#12510 · Filter by author Sajfer opened on Oct 2, 2026

• Linear memory growth (reclaimable kernel slab) with storage.type: filesystem. POOL proposal.

  status: waiting-for-triage
  fluent/fluent-bit#12504 · Filter by author dpavlov2024 opened on Oct 1, 2026 · Fluent Bit v5.2.0
  7

• Build error on macOS: ne_thermalzone_darwin.c: error: implicit declaration of function 'IOPMCopyCPUPowerStatus'

  unsupported versionwaiting-for-user
  fluent/fluent-bit#12501 · Filter by author barracuda156 opened on Oct 1, 2026
  1

• in_mqtt: QoS 2 flow never completes (PUBREL ignored), SUBSCRIBE never answered, second CONNECT accepted, Session Present always 1

  status: waiting-for-triage
  fluent/fluent-bit#12492 · Filter by author K-ANOY opened on Sep 30, 2026

• in_statsd: timer metrics fall through into the "set" case and produce records with duplicate keys

  status: waiting-for-triage
  fluent/fluent-bit#12491 · Filter by author K-ANOY opened on Sep 30, 2026

• Enhancement to exec

  fluent/fluent-bit#12483 · Filter by author mp3monster opened on Sep 29, 2026
  3

• output stops under heavy input

  status: waiting-for-triage
  fluent/fluent-bit#12451 · Filter by author sorran opened on Sep 21, 2026

• Persistent memory growth with Tail filesystem storage on Fluent Bit 5.1.2, significantly mitigated by storage.type: memory

  status: waiting-for-triage
  fluent/fluent-bit#12443 · Filter by author duj4 opened on Sep 19, 2026
  7

• Too many open files [errno=24]

  status: waiting-for-triage
  fluent/fluent-bit#12432 · Filter by author bdurairaji2-lims opened on Sep 17, 2026
  4