v3.4.8
Fixed 4
- Auto-sync no longer skipped when newer commit arrives during sync
- Cluster API Cluster health no longer degraded while Ready is False during provisioning
- Notification controller deep-copies before mutating object from shared cache
- Notification controller reads appprojects from informer cache
Security 3
- Bump DOMPurify to 3.4.7 for CVE-2026-49978
- Bump brace-expansion to 2.1.4 and 1.1.18 for fixing CVE-2026-14257 and CVE-2026-69152
- Bump js-yaml to fix CVE-2026-59869
From Argo CD
Quick Start
Non-HA:
kubectl create namespace argocd
kubectl apply -n argocd --server-side --force-conflicts -f https://raw.githubusercontent.com/argoproj/argo-cd/v3.4.8/manifests/install.yaml
HA:
kubectl create namespace argocd
kubectl apply -n argocd --server-side --force-conflicts -f https://raw.githubusercontent.com/argoproj/argo-cd/v3.4.8/manifests/ha/install.yaml
Release Signatures and Provenance
All Argo CD container images are signed by cosign. A Provenance is generated for container images and CLI binaries which meet the SLSA Level 3 specifications. See the documentation on how to verify.
Release Notes Blog Post
For a detailed breakdown of the key changes and improvements in this release, check out the official blog post
Upgrading
If upgrading from a different minor version, be sure to read the upgrading documentation.
Changelog
Bug fixes
- 90f81d5bc27491a97fb6d0ab0dc284a69ed14a08: fix(revert): auto-sync skipped when newer commit arrives during sync (cherry-pick #28692 for 3.4) (#29225) (@rumstead)
- 924ab35b93689ddba28731bdaa45a189ac653ddc: fix: don't degrade Cluster API Cluster health while Ready is False during provisioning (cherry-pick #29237 for 3.4) (#29274) (@argo-cd-cherry-pick-bot[bot])
Dependency updates
- e4de80d7eee32f93416d9722719d4b8b1c1d47bf: chore(deps): bump DOMPurify to 3.4.7 for CVE-2026-49978 (#29222) (@aali309)
- 24754268593ae81a052bec378b8e967af787987f: chore(deps): bump brace-expansion to 2.1.4, 1.1.18 in /ui for fixing CVE-2026-14257 and CVE-2026-69152 (release-3.4) (#29379) (@nmirasch)
- e5bee2c2bbbff7b0c65b213addaf84e30ad66f94: chore(deps): bump js-yaml to fix CVE-2026-59869 (#28946) (@aali309)
Other work
- 609fa82ba26de2369c7b5138279f06a2af1d13a5: chore: bump version to 3.4.8 on release-3.4 branch (#29405) (@github-actions[bot])
- 9c771f6f7cbd4448fef1a11fb03be7579c1e2fd3: fix(notification-controller): deep-copy before mutating object from a shared cache (cherry-pick #29350 for 3.4) (#29353) (@argo-cd-cherry-pick-bot[bot])
- bad3c481d2ceeaff1ad0e48b6c7c9fe23f77f118: fix(notification-controller): read appprojects from informer cache (#28815) (cherry-pick release-3.4) (#29346) (@antonu17)
Full Changelog: https://github.com/argoproj/argo-cd/compare/v3.4.7...v3.4.8