TiDB Operator 1.6.0-beta.1 Release Notes

Release date: March 27, 2024

TiDB Operator version: 1.6.0-beta.1

New features

Support deploying PD v8.0.0 and later versions in microservice mode (experimental) (#5398, @HuSharp)
Support scaling out or in TiDB components in parallel (#5570, @csuzhangxc)
Support setting livenessProbe and readinessProbe for the Discovery component (#5565, @csuzhangxc)
Support setting startupProbe for TiDB components (#5588, @fgksgf)

Upgrade Kubernetes dependency to v1.28, and it is not recommended to deploy tidb-scheduler (#5495, @csuzhangxc)
When deploying using Helm chart, support setting lock resource used by tidb-controller-manager for leader election, with the default value of .Values.controllerManager.leaderResourceLock: leases. When upgrading from versions before v1.6 to v1.6.0-beta.1 and later versions, it is recommended to first set .Values.controllerManager.leaderResourceLock: endpointsleases and wait for the new tidb-controller-manager to run normally before setting it to .Values.controllerManager.leaderResourceLock: leases to update the deployment (#5450, @csuzhangxc)
Support for TiFlash to directly mount ConfigMap without relying on an InitContainer to process configuration files (#5552, @ideascf)
Add check for resources.request.storage in the storageClaims configuration of TiFlash (#5489, @unw9527)

Fix the issue that the tikv-min-ready-seconds check is not performed on the last TiKV Pod during a rolling restart of TiKV (#5544, @wangz1x)
Fix the issue that the TiDB cluster cannot start when only non-cluster.local clusterDomain TLS certificates are available (#5560, @csuzhangxc)