Changelog
All the latest c15t releases, fixes, and improvements from the team.
May 2026
April 2026
Patch release adding official TanStack Devtools support for @c15t/dev-tools and improving Tailwind v4 stylesheet import ordering in the c15t CLI.
Stable release notes for c15t 2.0, covering the token-based styling system, policy packs, GPC, IAB TCF 2.3, bundled docs, c15t/skills, dev tools, backend v2, migration tooling, and the prebuilt UI.
Release candidate focused on fixing theming regressions in the prebuilt UI, simplifying the Tailwind setup contract, clarifying the recommended customization ladder, and adding better manual coverage for CSS behavior across Tailwind 3, Tailwind 4, and plain CSS.
Release candidate focused on smaller client bundles, extracted IAB support, shared UI primitives with framework adapters, flexible policy action layouts, and cleaner package styling/toolchain boundaries.
March 2026
February 2026
January 2026
December 2025
November 2025
October 2025
September 2025
Patch release fixing a bug where the scroll lock persisted after the dialog has been dismissed.
Minor release with a rebuilt self-hosting backend, a brand new docs site, improved consent checking, and callback improvements.
June 2025
Minor release adding Next.js Pages Directory support and updating cookie banner button order for GDPR guidance, alongside backend and integration improvements.
Patch release fixing theme inheritance in ConsentManager and related components, plus dependency updates and stronger tests to prevent regressions.
Patch release ensuring provider-level themes set in ConsentManagerProvider are correctly inherited by CookieBanner, ConsentManagerDialog, and ConsentManagerWidget for consistent styling.
Patch release adding Bahasa Indonesia translations, improving provider rendering to prevent duplicate requests, normalizing URLs to remove trailing slashes, correcting consent logic, and refining banner animations. Includes dependency updates, caching improvements, and expanded tests.
Patch release adding custom c15t headers to Next.js initial data fetch, enabling backend provider overrides and more reliable initialization.
Minor release improving developer experience with ignoreGeoLocation and consentCategories, adding a debug-friendly store config prop, enhancing accessibility, and fixing CLI onboarding issues.
Patch release adding Google Tag Manager support in core, allowing trapFocus={false} in CookieBanner, improving URL validation in Next.js, and updating React dependency.
Patch release fixing a relative URL error in the Next.js integration.
Patch release refining Next.js initial data fetching in c15t mode, fixing quickstart links, improving core fallbacks, and adding Chinese (zh) translations. Includes dependency updates across packages.
Minor release introducing the new @c15t/translations package with 8 languages, server-side consent initialization, CLI telemetry and onboarding upgrades, and a Next.js package restructuring that removes middleware exports. Includes backend translation support, improved schemas, and infrastructure/tooling updates.
May 2025
Patch release refining the new API architecture with oRPC + OpenAPI, consolidating translations into common keys, fixing Tailwind v3 layer collision, and improving schema validation and configuration defaults. Introduces a type-safe Node.js SDK and centralized routing.
Major release introducing a complete backend refactor to oRPC client/server architecture with OpenAPI support, CORS middleware, and streamlined translation system with common strings consolidation. Includes breaking changes for translation structure.
Patch release fixing critical Tailwind CSS v3 compatibility issues by removing CSS layers and improving noStyle theme handling. Ensures proper style application and prevents conflicts with modern Tailwind configurations.
April 2025
Patch release addressing critical translation functionality issues across core and react packages. Introduces better modularity, improved fallback behavior, comprehensive test coverage, and enhanced translation utility functions.
Major release introducing comprehensive theming support with dark/light/system detection, improved consent callbacks with structured data, and enhanced color scheme integration. Includes breaking changes for theme system and callback data structure.
Performance-focused release introducing optimistic UI updates for instant user feedback, massive 58.9% bundle size reduction, and a new headless package for custom implementations with improved event handling.
Performance-focused release achieving a massive 58.9% bundle size reduction while introducing a new headless package for custom implementations. Removed framer-motion and Tailwind variants for faster load times with zero UX compromise.