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Telegraf

v1.38.4 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 23d Monitoring & Metrics
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

go influxdb json kafka logs prometheus
+10 more
modbus monitoring mqtt opcua t telegraf telemetry-collection time-series windows-eventlog xpath

Affected surfaces

deps

ReleasePort's take

Moderate signal
editorial:auto 13d

Telegraf v1.38.4 improves Windows agent startup observability and fixes concurrent-access issues across multiple input plugins. Includes dependency updates and minor feature additions.

Why it matters: Fixes resolve Windows startup logging gaps and prevent data races in high-throughput inputs. Apply at next maintenance window; no breaking changes required.

Summary

AI summary

Log Windows service startup errors, create missing log‑file directory on start, and reset secret‑counter on reload.

Changes in this release

Feature Medium

Support byte arrays in decoding

Support byte arrays in decoding

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Expose explicit cache sample and page fields

Expose explicit cache sample and page fields

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Return errors from write factory

Return errors from write factory

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump cloud.google.com/go/bigquery to 1.77.0

Bump cloud.google.com/go/bigquery to 1.77.0

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump cloud.google.com/go/monitoring to 1.28.0

Bump cloud.google.com/go/monitoring to 1.28.0

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump github.com/Azure/azure-kusto-go to 1.2.2

Bump github.com/Azure/azure-kusto-go to 1.2.2

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump github.com/Azure/go-ntlmssp to 0.1.1

Bump github.com/Azure/go-ntlmssp to 0.1.1

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump github.com/ClickHouse/clickhouse-go/v2 to 2.46.0

Bump github.com/ClickHouse/clickhouse-go/v2 to 2.46.0

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump github.com/Masterminds/semver/v3 to 3.5.0

Bump github.com/Masterminds/semver/v3 to 3.5.0

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump github.com/apache/thrift to 0.23.1-0.20260429145742-d2acd3c49e58

Bump github.com/apache/thrift to 0.23.1-0.20260429145742-d2acd3c49e58

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump go.step.sm/crypto to 0.77.9

Bump go.step.sm/crypto to 0.77.9

Source: llm_adapter@2026-05-21

Confidence: high

 —
Dependency Medium

Bump various other dependencies (see full list)

Bump various other dependencies (see full list)

Source: llm_adapter@2026-05-21

Confidence: high

 —
Performance Medium

Lock stats cache before reading

Lock stats cache before reading

Source: llm_adapter@2026-05-21

Confidence: high

 —
Performance Medium

Reconnect transparently when TCP peer closes connection

Reconnect transparently when TCP peer closes connection

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Log Windows service startup errors to configured logger

Log Windows service startup errors to configured logger

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Ensure log-file directory exists

Ensure log-file directory exists

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Reset secret-counter on reload

Reset secret-counter on reload

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Honor host path environment variables on Linux

Honor host path environment variables on Linux

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Acquire lock before saving shard consumers

Acquire lock before saving shard consumers

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Disable auto-reconnect to fix session flood

Disable auto-reconnect to fix session flood

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Enforce string type for vendor and product IDs

Enforce string type for vendor and product IDs

Source: llm_adapter@2026-05-21

Confidence: high

 —
Bugfix Medium

Handle public GCP service account keys correctly

Handle public GCP service account keys correctly

Source: llm_adapter@2026-05-21

Confidence: high

 —
Refactor Medium

Make Close safe to call multiple times

Make Close safe to call multiple times

Source: llm_adapter@2026-05-21

Confidence: high

 —
Refactor Medium

Repair CI after go-hue v1.2.0 upgrade

Repair CI after go-hue v1.2.0 upgrade

Source: llm_adapter@2026-05-21

Confidence: high

 —
Full changelog

v1.38.4 [2026-05-11]

Bugfixes

  • #18816 agent Log Windows service startup errors to configured logger
  • #18818 agent Make sure the log-file directory exists
  • #18839 agent Reset secret-counter on reload
  • #18827 common.adx Make Close safe to call multiple times
  • #18825 common.opcua Support byte arrays in decoding
  • #18682 inputs.diskio Honor host path environment variables on Linux
  • #18878 inputs.docker Lock stats cache before reading
  • #18778 inputs.huebridge Repair CI after go-hue v1.2.0 upgrade
  • #18875 inputs.kinesis_consumer Acquire lock before saving shard consumers
  • #18820 inputs.lustre2 Expose explicit cache sample and page fields
  • #18813 inputs.opcua Disable auto-reconnect to fix session flood
  • #18626 inputs.upsd Enforce string type for vendor and product IDs
  • #18774 outputs.graylog Reconnect transparently when TCP peer closes connection
  • #18821 outputs.timestream Return errors from write factory
  • #18785 secretstores.googlecloud Handle public GCP service account keys correctly

Dependency Updates

  • #18843 deps Bump cloud.google.com/go/bigquery from 1.76.0 to 1.77.0
  • #18754 deps Bump cloud.google.com/go/monitoring from 1.26.0 to 1.27.0
  • #18844 deps Bump cloud.google.com/go/monitoring from 1.27.0 to 1.28.0
  • #18770 deps Bump cloud.google.com/go/pubsub/v2 from 2.5.1 to 2.6.0
  • #18751 deps Bump cloud.google.com/go/storage from 1.62.0 to 1.62.1
  • #18802 deps Bump github.com/Azure/azure-kusto-go from 0.16.1 to 1.2.2
  • #18766 deps Bump github.com/Azure/azure-sdk-for-go/sdk/azcore from 1.21.0 to 1.21.1
  • #18789 deps Bump github.com/Azure/go-ntlmssp from 0.1.0 to 0.1.1
  • #18855 deps Bump github.com/ClickHouse/clickhouse-go/v2 from 2.45.0 to 2.46.0
  • #18847 deps Bump github.com/IBM/nzgo/v12 from 12.0.11 to 12.0.12
  • #18797 deps Bump github.com/IBM/sarama from 1.47.0 to 1.48.0
  • #18854 deps Bump github.com/Masterminds/semver/v3 from 3.4.0 to 3.5.0
  • #18768 deps Bump github.com/SAP/go-hdb from 1.16.5 to 1.16.6
  • #18852 deps Bump github.com/SAP/go-hdb from 1.16.6 to 1.16.7
  • #18762 deps Bump github.com/alitto/pond/v2 from 2.7.0 to 2.7.1
  • #18853 deps Bump github.com/apache/arrow-go/v18 from 18.5.2 to 18.6.0
  • #18758 deps Bump github.com/apache/iotdb-client-go from 1.3.5 to 1.3.7
  • #18877 deps Bump github.com/apache/thrift from 0.22.0 to 0.23.1-0.20260429145742-d2acd3c49e58
  • #18752 deps Bump github.com/aws/smithy-go from 1.24.3 to 1.25.0
  • #18795 deps Bump github.com/aws/smithy-go from 1.25.0 to 1.25.1
  • #18809 deps Bump github.com/bluenviron/gomavlib/v3 from 3.3.0 to 3.3.1
  • #18812 deps Bump github.com/emiago/sipgo from 1.3.0 to 1.3.1
  • #18845 deps Bump github.com/go-sql-driver/mysql from 1.9.3 to 1.10.0
  • #18756 deps Bump github.com/hashicorp/consul/api from 1.34.0 to 1.34.1
  • #18801 deps Bump github.com/hashicorp/consul/api from 1.34.1 to 1.34.2
  • #18781 deps Bump github.com/jackc/pgx/v5 from 5.9.1 to 5.9.2
  • #18803 deps Bump github.com/jedib0t/go-pretty/v6 from 6.7.9 to 6.7.10
  • #18841 deps Bump github.com/klauspost/compress from 1.18.5 to 1.18.6
  • #18800 deps Bump github.com/leodido/go-syslog/v4 from 4.4.0 to 4.5.0
  • #18850 deps Bump github.com/microsoft/go-mssqldb from 1.9.8 to 1.10.0
  • #18765 deps Bump github.com/moby/moby/api from 1.54.1 to 1.54.2
  • #18753 deps Bump github.com/moby/moby/client from 0.4.0 to 0.4.1
  • #18755 deps Bump github.com/nats-io/nats-server/v2 from 2.12.6 to 2.12.7
  • #18811 deps Bump github.com/nats-io/nats-server/v2 from 2.12.7 to 2.12.8
  • #18857 deps Bump github.com/nats-io/nats-server/v2 from 2.12.8 to 2.14.0
  • #18772 deps Bump github.com/nats-io/nats.go from 1.50.0 to 1.51.0
  • #18763 deps Bump github.com/pborman/ansi from 1.0.0 to 1.1.0
  • #18799 deps Bump github.com/prometheus/prometheus from 0.311.2 to 0.311.3
  • #18810 deps Bump github.com/rabbitmq/amqp091-go from 1.10.0 to 1.11.0
  • #18856 deps Bump github.com/redis/go-redis/v9 from 9.18.0 to 9.19.0
  • #18842 deps Bump github.com/shirou/gopsutil/v4 from 4.26.3 to 4.26.4
  • #18742 deps Bump github.com/tdrn-org/go-hue from 0.3.0 to 1.2.0
  • #18757 deps Bump github.com/tinylib/msgp from 1.6.3 to 1.6.4
  • #18796 deps Bump github.com/vmware/govmomi from 0.53.0 to 0.53.1
  • #18769 deps Bump go.opentelemetry.io/collector/pdata from 1.55.0 to 1.56.0
  • #18851 deps Bump go.opentelemetry.io/collector/pdata from 1.56.0 to 1.57.0
  • #18804 deps Bump go.step.sm/crypto from 0.77.2 to 0.77.7
  • #18846 deps Bump go.step.sm/crypto from 0.77.7 to 0.77.9
  • #18767 deps Bump google.golang.org/api from 0.275.0 to 0.276.0
  • #18848 deps Bump google.golang.org/api from 0.276.0 to 0.277.0
  • #18849 deps Bump google.golang.org/grpc from 1.80.0 to 1.81.0
  • #18760 deps Bump k8s.io/api from 0.35.3 to 0.35.4
  • #18759 deps Bump k8s.io/client-go from 0.35.3 to 0.35.4
  • #18798 deps Bump k8s.io/client-go from 0.35.4 to 0.36.0
  • #18771 deps Bump modernc.org/sqlite from 1.48.2 to 1.49.1
  • #18807 deps Bump modernc.org/sqlite from 1.49.1 to 1.50.0
  • #18764 deps Bump software.sslmate.com/src/go-pkcs12 from 0.7.0 to 0.7.1
  • #18750 deps Bump the aws-sdk-go-v2 group across 1 directory with 11 updates
  • #18840 deps Bump the aws-sdk-go-v2 group with 11 updates
  • #18794 deps Bump the aws-sdk-go-v2 group with 2 updates
  • #18749 deps Bump tj-actions/changed-files from 47.0.5 to 47.0.6

Packages

Arch | Platform | Package | SHA256
---| --- | --- | ---
arm64 | CentOS | telegraf-1.38.4-1.aarch64.rpm | 5257397a47090d7fc13f555ef6ba6776a633286c5f9ccbaece60fba5abbe40c9
armel | CentOS | telegraf-1.38.4-1.armel.rpm | 4fff77b63a64969d3e1b333cbeae0bfd2feee07198bf0e752c13c57b8b2a78a7
armv6hl | CentOS | telegraf-1.38.4-1.armv6hl.rpm | abb61b71241d750756fccc6dd92785850e780133c348a2719885cec5ac9ce364
i386 | CentOS | telegraf-1.38.4-1.i386.rpm | c806e6cc8ed8a0e242d705414e9d407744be6e7f0f8baf78d8f922ea4dfed38d
unknown | CentOS | telegraf-1.38.4-1.loongarch64.rpm | cc40c100379219000b145ac5d1d8f36795f439162ab2accb23aea594a06ba9d1
ppc64le | CentOS | telegraf-1.38.4-1.ppc64le.rpm | 31d4757b31cde05f18b8de6e1a37fe8efaf8827be7957196eddd3e305b923c24
riscv64 | CentOS | telegraf-1.38.4-1.riscv64.rpm | df3cb118998ce4b2b892e1b2a2b28cd89c07146391adf76b1bfec549e58eaad5
s390x | CentOS | telegraf-1.38.4-1.s390x.rpm | 7c09fbd538180b98c8e5fab69fb7cbeffdb750d97ccb0a05dcea23ce3290b482
amd64 | CentOS | telegraf-1.38.4-1.x86_64.rpm | bbd9fb9cc2c7fe09182f19c40361087a7a7a8a6ee3a837fd640f116349a93ad0
amd64 | macOS | telegraf-1.38.4_darwin_amd64.dmg | 3ca2d44109cd7a9ab58439ed7bc18deacfff13d835492f1032f094ff3686a6ba
amd64 | macOS | telegraf-1.38.4_darwin_amd64.tar.gz | aeabfecf1e9c2c5877c7ac3d1a339ce04d70980d0298dbb38d4b89fdef023433
arm64 | macOS | telegraf-1.38.4_darwin_arm64.dmg | cb1bd855f5129afe4f75d42fc3c15f5cb96ff593c7b6bb764bf30cc91360e21e
arm64 | macOS | telegraf-1.38.4_darwin_arm64.tar.gz | 9cd0e42122aeb4bcf7034a73a9215d53f9cb986ad40d03f5b17c719a639cf56a
amd64 | FreeBSD | telegraf-1.38.4_freebsd_amd64.tar.gz | a48821945036c47fcba05f2b5b3b2c4632c36bd5ccbc140a92927337384aed75
armv7 | FreeBSD | telegraf-1.38.4_freebsd_armv7.tar.gz | 2f04d0dcaa2913a146040fb1457bf9d7c0f0b8c56dd80600a87bef85f8fc657f
i386 | FreeBSD | telegraf-1.38.4_freebsd_i386.tar.gz | a33d5fe44a57336a3e27771e4913db59ea37bd3175f9b00e02acf2248cd47ae9
amd64 | Linux | telegraf-1.38.4_linux_amd64.tar.gz | 81857e9745ebf26e058b6fdc27b9b2c210fd1fe61e57d7fad3d4bb9131f60041
arm64 | Linux | telegraf-1.38.4_linux_arm64.tar.gz | 88799a83cc33856577a1740ae43b4ea6644dc5308167e48e67b245f3bcabecc5
armel | Linux | telegraf-1.38.4_linux_armel.tar.gz | cf94a4a11f16a9aedba31522adc6aeb69fdc74fe631a7263c695edb9c1316986
armhf | Linux | telegraf-1.38.4_linux_armhf.tar.gz | 67993b080b014523d6b9d666ff12797de0002a2feea6caeb08b8fa972c8fcde1
i386 | Linux | telegraf-1.38.4_linux_i386.tar.gz | c981a77f44e9a5835ecd296f0f96cd4d153e400ee1937db134e853251afd535b
loong64 | Linux | telegraf-1.38.4_linux_loong64.tar.gz | 55189c8b7fc2b8bf6eff34fc9ecc69870e5d7f20cffb0601a8d77a742a410047
mips | Linux | telegraf-1.38.4_linux_mips.tar.gz | 1497adb17d07b2893ae20c163ecf1ae454182272e784483542848fb4eff34c7b
mipsel | Linux | telegraf-1.38.4_linux_mipsel.tar.gz | 0bf613755b063f038e284df1645a6e78858e339df24e3d991d92f66f7ee97780
ppc64le | Linux | telegraf-1.38.4_linux_ppc64le.tar.gz | beccb4070ec4713c5db2a8f06f1b9aa26f5282fed417a53433926d060327aea2
riscv64 | Linux | telegraf-1.38.4_linux_riscv64.tar.gz | 385b544c4b12c238244887458c03e6015aea58c9e5a059331ad1dd7a0b28db6e
s390x | Linux | telegraf-1.38.4_linux_s390x.tar.gz | e101bf19419a0e857b94b4665a67e7946437d1085d951104f6387a1c34d69bf9
amd64 | Windows | telegraf-1.38.4_windows_amd64.zip | 6c7878ec319471ac85b82443baec2f3fa5dbcf1b6e2da5d5cd2cbb60fff2bb45
arm64 | Windows | telegraf-1.38.4_windows_arm64.zip | a46b87b7df5a1dd2523eabf4e7d365c7c239e40250e2749a5cab1d2625e1615b
i386 | Windows | telegraf-1.38.4_windows_i386.zip | 7258032093cd878b6b6f553b6255652d4e92aeea7240b6c7116873b1a411c482
amd64 | Debian | telegraf_1.38.4-1_amd64.deb | e4cc07567e4f5975287c95258f04c895384f43b0f0dbe8c284b89ed28143e90a
arm64 | Debian | telegraf_1.38.4-1_arm64.deb | eb6bde66ef437180ba3774fe0829d7cf239390f37d1046421c8067a6dc268591
armel | Debian | telegraf_1.38.4-1_armel.deb | 001a53f4911ae547da97ad8b621d72699ab12a0ec9331b71ec7e4ac69c767ba0
armhf | Debian | telegraf_1.38.4-1_armhf.deb | dd8524881f8963f8f9a9d73765932e9d0771bd140eb2eba1e31af4c381f081b8
i386 | Debian | telegraf_1.38.4-1_i386.deb | 53476100dfc7d3bb4294f69919075ddd7d3ce928c375e90d0551769a36798f77
loong64 | Debian | telegraf_1.38.4-1_loong64.deb | b6ce12cf2fe7ce516d9af791325e182bd7335e2f2feafd6f1eb9fa46c3ca2681
mips | Debian | telegraf_1.38.4-1_mips.deb | 2906b0cdd0a297dc26484ade3e2ee706ac3b3c35f02ac168c808cfdd05fbacb5
mipsel | Debian | telegraf_1.38.4-1_mipsel.deb | 01aad27539a112b11c275f5aebe2fa3d46e5c94637967ba59344cb8c5693e28d
ppc64el | Debian | telegraf_1.38.4-1_ppc64el.deb | 21207e3b022a428003b06d9007acee958479fc139c6f62726bfd7c4c71d7d089
riscv64 | Debian | telegraf_1.38.4-1_riscv64.deb | 25697d4cb7d5ee148f6d8c42e70accb2bbf961cc85c042738910aa4a64223ff4
s390x | Debian | telegraf_1.38.4-1_s390x.deb | 877f4279358ae856923493fb0cbb2bbfc1f19db63160b667413723b06a773651

View diff on GitHub

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