# Documentation revision history

<table><thead><tr><th width="122.96484375">WEKA version</th><th width="609.5859375">Description of changes</th></tr></thead><tbody><tr><td>5.1.20</td><td><ul><li><strong>WEKA native multi-tenancy:</strong> New topic replacing the organizations topics. Logically separate users and resources on a single WEKA cluster with independent LDAP, KMS, and QoS per tenant. <a href="/pages/v1U5nVCgcSkCr7CE8puP">>></a></li><li><strong>Data catalog:</strong> New topic. Manage, index, and query filesystem metadata for macro-level insights and granular data discovery at scale. <a href="/pages/luYpgIxgTeIL6DIzardl">>></a></li><li><strong>Quota management:</strong> Added user and group level quotas. Assign quotas per user (UID) or group (GID) to limit total capacity consumed across the entire filesystem. When user, group, and directory quotas all apply, the most restrictive limit is enforced. <a href="/pages/-MNHl-A73zrRftNBsDnu">>></a></li><li><strong>S3 OIDC:</strong> New topic. Configure S3 OIDC authentication to let users and applications authenticate with your identity provider and receive temporary S3 credentials, without static access keys. <a href="/pages/dbbc5b86fd339e03e635c23287b9b5f7b2b1d48b">>></a></li><li><strong>S3:</strong> Added support for URLs as valid object keys (for example, <code>https://company.com/id</code>), expanding compatibility with AWS S3-native applications. <a href="/pages/-MccbmCmuJ3cB9-70C6S#url-formatted-object-keys-in-weka-s3">>></a></li><li><strong>S3:</strong> Removed the default filesystem from the installation. Removed the <code>key</code> and <code>secret</code> parameters.</li><li><strong>KMS:</strong> Added OpenBao Vault 2.5.1 or later as a supported KMS type. References to HashiCorp Vault throughout the documentation also apply to OpenBao Vault.</li><li><strong>CIDR policies:</strong> Added squash mode. Squash mode defines how the storage system maps incoming UIDs and GIDs to manage access permissions. <a href="/pages/Hb098q8l9Df52NhIH5dx">>></a></li></ul></td></tr><tr><td></td><td><ul><li><strong>GCP:</strong> Added the Z3 machine types support to backends and clients with gVNIC.</li><li><strong>LWH integrations:</strong> Added Syslog (RFC 5424) integration to send events and alerts. Applies to Local WEKA Home version 4.4.1 and higher. <a href="/pages/HiMwWwYb2B4bonvgIuVW">>></a></li><li><strong>WEKA Operator:</strong> Added new topic on migrating standalone CSI to WEKA Operator-embedded. <a href="/pages/BQDn7RnYBDNsSjIZlqqX">>></a></li><li><strong>WEKA Operator day-2:</strong> Updated Cluster Maintenance with instructions for pausing/resuming clusters and canceling cluster deletion. <a href="/pages/QNv3k9RvXhD865vSmZJQ#pause-and-resume-weka-cluster-for-maintenance">>></a></li><li><strong>LWH stats:</strong> Added new topic covering sizing and performance optimization guidelines. <a href="/pages/Kp4Ainxgvm0tFSMStjHU">>></a></li><li><strong>NeuralMesh AXON:</strong> Added new topic on maximizing GPU infrastructure resilience. <a href="/pages/5yh0ZGuAi8JFetUh9uq8">>></a></li><li><strong>KMS:</strong> Added OpenBao 2.5.1 to the supported KMS list. It is fully compatible to Hashicorp Vault.</li></ul></td></tr><tr><td>5.1</td><td><ul><li><strong>Alerts:</strong> Expanded mute capabilities to include global suppression by alert type and targeted suppression by component (process, container, or server).</li><li><strong>Drives sharing:</strong> Added a new topic on drive sharing configuration. Configure drive sharing across multiple Drive IO processes to improve performance and enable multi-tenancy in the storage cluster.</li><li><strong>Networking:</strong> Updated port range requirements from 100 to 60, and added advanced network configuration for stateless clients, including IPv6 support.</li><li><strong>Snapshots/diff REST API:</strong> Simplified the feature setup by removing the manual debug override prerequisite. The DiffList feature is now enabled by default.</li><li><strong>Local WEKA Home:</strong> Added a new topic on remote debugging management through <code>homecli</code> for K3s deployments. Added the <code>remote-access</code> command group to enable secure, real-time troubleshooting sessions with the WEKA Customer Success Team.</li><li><strong>Platform:</strong> Removed the cgroup v2 limitation for backends and protocol clients. WEKA now supports cgroup v2 on backends and clients, including protocol cluster deployments.</li><li><strong>WEKA Operator:</strong> Updated HugePages calculation guidelines for worker nodes and optimized port pool management, reducing the default port allocation from 500 to 260 per cluster (starting at port 35000).</li><li><strong>NFS:</strong> Added new topic on setting host-based LDAP resolution for NFS group membership using the <code>weka nfs ldap setup-onhostldap</code> command.</li></ul></td></tr></tbody></table>


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