Release notes

• Aug 2026

  • announcement

    STACKIT Client Side Encryption: Release 1.2.1 of KACLS service and infrastructure

    Aug 6, 2026

    The version 1.2.1 CSE (KACLS) is now available. The core features are:

    • Helm chart versions (including security patches) of infrastructure services updated
    • Base image of KACL service updated
    • Cluster size increased

    component	version	Docker tag/chart version/branch	remarks
    KACLS Service (Backend)	v1.2.1	kacls:1.2.1	core application
    KACLS Helm Chart (Backend)	v1.2.1	kacls-1.2.1.tgz	deployment logic
    Customer cluster infrastructure	v1.2.1	release/1.2.x	infrastructure
    KACLS Management	v1.1.1	release/1.1.x	cluster management

• Jun 2026

  • announcement

    STACKIT Client Side Encryption: Release 1.2.0 of KACLS service and infrastructure

    Jun 24, 2026

    The version 1.2.0 CSE (KACLS) is now available. The core features are:

    • Endpoint (systemwrap) provided
    • Endpoints for privileged actions (privilegedwrap, privilegedunwrap, privilegedprivatekeydecrypt) provided
    • Extend management dashboards for operational tasks
    • Improved resource usage and alert handling in the infrastructure

    component	version	Docker tag/chart version/branch	remarks
    KACLS Service (Backend)	v1.2.0	kacls:1.2.0	core application
    KACLS Helm Chart (Backend)	v1.2.0	kacls-1.2.0.tgz	deployment logic
    Customer cluster infrastructure	v1.2.0	release/1.2.x	infrastructure
    KACLS Management	v1.1.0	release/1.1.x	cluster management

• Mar 2026

  • announcement

    STACKIT Client Side Encryption: Release 1.1.0 of KACLS service and infrastructure

    Mar 4, 2026

    The version 1.1.0 CSE (KACLS) is now available. The core features are:

    • Improved security and maintainability.

    component	version	Docker tag/chart version/branch	remarks
    KACLS Service	v1.1.0	kacls:1.1.0	core application
    KACLS Helm Chart	v1.1.0	kacls-1.1.0.tgz	deployment logic
    KACLS Infrastructure	v1.1.0	release/1.1.x	infrastructure
    KACLS Management	v1.0.0	release/1.0.x	cluster management

• Jan 2026

  • announcement

    STACKIT Client Side Encryption: First version of the KACLS service and infrastructure

    Jan 15, 2026

    The first version of the KACLS service is now available. The core features are:

    • wrap: Encrypt a data encryption key (DEK) for encrypted data in Google Workspace (for example documents, emails)
    • unwrap: Decrypt a key encryption key (KEK) to decrypt data (for example documents, emails)
    • status: Retrieve the status and supported features of the KACLS service

    component	version	Docker tag/chart version/branch	remarks
    KACLS Service	v1.0.0	kacls:1.0.0	core application
    KACLS Helm Chart	v1.0.0	kacls-1.0.0.tgz	deployment logic
    KACLS Infrastructure	v1.0.0	release/1.0.x	infrastructure