v26.01.1

Release Notes v26.01.1

Security fixes

• Bump urllib3 to v2.6.3 to fix multiple vulnerabilities (CVE-2025-50181, CVE-2025-66418, CVE-2025-50182, CVE-2025-66471, CVE-2026-21441).
• Bump werkzeug to v3.1.5 to fix multiple vulnerabilities (CVE-2025-66221, CVE-2026-21860).
• Bump waitress to v3.0.1 to fix multiple vulnerabilities (CVE-2024-49768, CVE-2024-49769).
• Bump flask-cors to v6.0.0 to fix multiple vulnerabilities (CVE-2024-6844, CVE-2024-6866, CVE-2024-6839).

Misc

• Changed default database path.
• Changed log prefix.
• Various typos and style fixes.

v26.01.0

This is the GA release for KubeLedger v26.01.0 (Formerly known as kube-opex-analytics).

Highlights

This release marks the official rebranding of the project to KubeLedger (formerly kube-opex-analytics) and the General Availability (GA) of GPU support. It introduces a new identity, updated configuration handling, and a dedicated documentation site.

Rebranding & Improvements

• Project Rename: officially renamed to KubeLedger.
• GPU Support: General Availability (GA) of GPU metrics collection and visualization.
• Documentation: launched new documentation portal at kubeledger.io.
• UI: updated interface with new KubeLedger branding and logo.

Licensing & Legal

• License Change: Changed from Apache 2.0 to Business Source License (BSL) 1.1.

Configuration & Manifests

• Configuration: introduced KL_ prefix for environment variables, taking precedence over legacy KOA_ variables.
• Storage: Reduced default persistent volume claim size from 1Gi to 500Mi.
• Cleanup: Removed deprecated GCP pricing configuration and KL_GOOGLE_API_KEY support.

What's Changed

• Bump github/codeql-action from 2 to 4 by @dependabot[bot] in #106
• Build/python tooling modernization by @ccamel in #111
• build(deps): bump astral-sh/setup-uv from 3 to 7 by @dependabot[bot] in #114
• Support for NVIDIA GPU usage accounting and analytics by @rchakode in #113
• ci: use docker.io as registry by @rchakode in #115
• Fix/gpu metrics by @rchakode in #116
• Enhance SECURITY.md with detailed security guidelines by @rchakode in #117
• feat: add Helm chart CI/CD workflow and GPU capacity tracking by @rchakode in #118
• Feat/rebranding to KubeLedger by @rchakode in #120

Full Changelog: v25.10.1...v26.01.0

v26.01.0-beta7

Full Changelog: v26.01.0-beta5...v26.01.0-beta7

v26.01.0-beta6

removed deprecated GH actions workflow

v26.01.0-beta5

refactored GitHub workflow Release GHCR Image

v26.01.0-beta4

ci: renamed secret GITHUB_TOKEN to GH_ACTIONS_TOKEN

v26.01.0-beta3

ci: renamed secret GITHUB_TOKEN to GH_ACTIONS_TOKEN

v26.01.0-beta2

What's Changed

• Enhance SECURITY.md with detailed security guidelines by @rchakode in #117
• feat: add Helm chart CI/CD workflow and GPU capacity tracking by @rchakode in #118

Full Changelog: v26.01.0-beta1...v26.01.0-beta2

v26.01.0-beta1

Highlights of Release v26.01.0-beta1

This release introduces comprehensive GPU metrics support via NVIDIA DCGM Exporter integration, modernized Python tooling, and UI/UX improvements on dark mode support.

New Features

GPU Metrics Support

• NVIDIA DCGM Integration: Full support for GPU metrics collection via NVIDIA DCGM Exporter
• GPU Compute & Memory Views: Separate monitoring views for GPU utilization and memory usage
  • GPU Compute: Shows GPU utilization percentage per pod
  • GPU Memory: Shows GPU memory usage per pod
• GPU Node Heatmap: Heatmap visualization for GPU nodes showing compute and memory utilization
• Per-pod GPU Usage Charts: Breakdown of GPU usage by pod within each node
• Conditional GPU Charts: GPU charts display only when DCGM endpoint is configured
• Helm Chart Support: Added DCGM Exporter configuration options in Helm chart

Theme & UI Improvements

• Theme-aware Legend Colors: Legend text colors adapt to the selected theme
• Enhanced Heatmap Labels: Improved label visibility and positioning
• Better Tooltip Positioning: Tooltips now position correctly across all views

Node Heatmap

• Resource Utilization View: Visual representation of CPU, Memory, and GPU (new) usage across nodes

Infrastructure & Build

Python Tooling Modernization

• pyproject.toml: Migrated from setup.py to modern pyproject.toml-based configuration
• uv Package Manager: Adopted uv for faster, more reliable dependency management
• Ruff Linter: Integrated Ruff for code formatting and linting

Container & CI/CD

• Ubuntu 24.04 Base Image: Upgraded container base image for improved security and performance
• Docker Workflow Improvements: Enhanced CI/CD pipeline for main branch pushes and PR builds
• Variable-based Docker Registry: Flexible Docker repository naming via CI variables
• GitHub Actions Updates: Bumped astral-sh/setup-uv and github/codeql-action versions

Bug Fixes

• Fixed regression in GPU metrics processing
• Fixed Y-axis rounding to 2 decimal places in stacked bar charts
• Fixed typo in pyproject.toml that was breaking Docker builds
• Removed logging of sensitive billing hourly rate
• Cleaned up unused variables and missing declarations
• Removed deprecated Azure and GCP pricing cost code

Documentation

• Updated README with accurate tech stack and installation instructions
• Added CLAUDE.md with development guidelines and versioning information
• Documented minimum version requirements for GPU support

New configuration variables

• Environment variable KOA_DCGM_EXPORTER_ENDPOINT required for GPU monitoring

Breaking Changes

N/A

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Acknowledgements

Big kudos to @ccamel for his huge contributions throughout this milestone. 💯 :

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For deployment instructions, see the README.

v25.10.1

What's Changed

• Used full image path for deployment resources in order to be compliant with security policies in recent Kubernetes versions.

Full Changelog: v25.10.0...v25.10.1