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Release Radar

20 August 2026

35 releases across 31 tracked projects, including 5 with security fixes.

One week of Release Radar, 8 stories, as published.

IaC

Terraform 1.15.9

1.15.9 (August 19, 2026) · validate: Child module validation has been fixed and will now raise errors or warning diagnostics for invalid blocks. (list, import, backend, and cloud)…

Why it matters — Patch release — routine upgrade. Fixes CVE-2026-14978 — patch promptly.

GitHub · hashicorp/terraform · 20 August 2026 · Read the original →

Observability

Grafana 13.0.7

What's new highlights · CVE-2026-17183 · Reporting: batch dashboard lookups when listing reports (Enterprise)

Why it matters — Patch release — routine upgrade. Fixes CVE-2026-17183 — patch promptly. Also released on 3 other maintenance lines: 12.3.11, 13.1.4, 13.2.0.

GitHub · grafana/grafana · 20 August 2026 · Read the original →

Data

Redis 8.10.1

Update urgency: SECURITY: There are security fixes in the release. · Security fixes · (CVE-2026-62356) Miscalculated buffer size in CMSketch RDB loading may lead to heap OOB write · Out-of-bounds access in TopK heap cleanup path (MOD-15410)…

Why it matters — Patch release — routine upgrade. Fixes CVE-2026-62356 — patch promptly. Also released on 6 other maintenance lines: 8.6.6, 8.4.6, 8.2.9, 7.4.11, 7.2.16, 6.2.24.

GitHub · redis/redis · 20 August 2026 · Read the original →

IaC

Pulumi 3.259.0

[cli/new] Show a single confirmation of project, stack, and config defaults in interactive pulumi new instead of prompting for each value #24223 · [cli] Introduce PULUMI_DEFAULT_ORGANIZATION to be able to set the default org #24384…

Why it matters — Minor release — new functionality, backward compatible. Also released on 1 other maintenance line: 3.257.0.

GitHub · pulumi/pulumi · 20 August 2026 · Read the original →

Observability

Prometheus 3.14.0

[CHANGE] API: Deprecate the stats query parameter of /api/v1/query and /api/v1/query_range for values other than true and all. Other values still enable basic statistics but now return a deprecation warning; they will be rejected in the next major release. #19124…

Why it matters — Minor release — new functionality, backward compatible. Notes mention breaking changes or deprecations — read before upgrading.

GitHub · prometheus/prometheus · 20 August 2026 · Read the original →

Observability

OpenTelemetry Collector 0.159.0

Images and binaries here: https://github.com/open-telemetry/opentelemetry-collector-releases/releases/tag/v0.159.0 · End User Changelog · 💡 Enhancements 💡 · pkg/exporterhelper: Add the pkg.exporterhelper.queueBatchEnabled feature gate (#14038, #13582, #12022)…

Why it matters — Minor release — new functionality, backward compatible.

GitHub · open-telemetry/opentelemetry-collector · 20 August 2026 · Read the original →

Containers

Docker Compose 5.5.0

> ℹ️ This release overhauls image digest reconciliation to prevent unnecessary container recreation. · > Existing containers may be recreated the first time you run compose up after upgrading, as image digests are re-evaluated using the new logic…

Why it matters — Minor release — new functionality, backward compatible.

GitHub · docker/compose · 20 August 2026 · Read the original →

Also Shipped

13 more releases, nothing urgent

Data: ClickHouse 26.6.3.62-stable, Redis 8.8.2, ClickHouse 26.5.7.64-stable · IaC: OpenTofu 1.12.6, Pulumi 3.258.0, OpenTofu 1.11.14 · Networking: Traefik 3.7.11, Cilium 1.20.1, Cilium 1.19.7, Traefik 2.11.55 · Observability: Grafana 12.4.9 · Orchestration: Helm 3.21.4, Helm 4.2.4

GitHub · 20 August 2026

Read the changelog before you bump the tag.

8 stories, every Thursday

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