Release Highlights

1. Feature Upgrades

Advanced Computing Unit Feature: We refined the Kubernetes-based computing unit layer by improving the UI/UX and enabling shared-memory control, GPU support and JVM memory tuning (#3337, #3363, #3371, #3372, #3400, #3451, #3591, #3604).
Dynamic Admin Configuration System: Site settings are now stored in the database, and admins can customize logos and favicons with a live preview of branding changes (#3453, #3480, #3700, #3743).

New Visualization Operators: We added Choropleth Map, Bullet Chart, Dendrogram, Violin Plot, Volcano Plot, Nested Table, Range Slider, and Time Series Plot operators (#3352, #3356, #3362, #3374, #3397, #3418, #3531, #3744).
Machine Learning Operators: We introduced a suite of scikit-learn training operators (#3535).
Utility Operators: We added a Sleep operator, enhanced the Generator with examples, and improved the Projection operator with column re-ordering (#3537, #3543, #3661).
Enhanced Visualization System: We organized operators with a new category hierarchy, improved grouping, and first-level category display (#3364, #3369).

Admin Account Management: Admin accounts can be auto-registered from configuration, and admins can leave comments to users (#3266, #3387, #3625).
Security Enhancements: The system tracks user activity with last-login times, separates JWT expiration from activity windows, and sends email alerts for unauthorized access attempts (#3391, #3393, #3541, #3693, #3694, #3703, #3731).
Access Control Improvements: We refined JWT secret access logic, optimized token refresh behavior, and added login confirmation requirements (#3357, #3703).

Apache Foundation Compliance: We added ASF headers, NOTICE and DISCLAIMER files, integrated Apache Rat checks in CI, and updated license headers (#3388, #3414, #3415, #3631, #3632, #3637).
Kubernetes and Helm Enhancements: We added GCP deployment support, a DaemonSet for image pre-pulling, ingress class configuration, and improved job ordering (#3358, #3366, #3376, #3386, #3419, #3652).
Build System Improvements: We automated jOOQ code generation in SBT, removed jOOQ from CI, and migrated builds to a JDK to support Java UDFs (#3628, #3670, #3689, #3746, #3747).
Configuration Management: We centralized configuration in a dedicated service, added environment-variable defaults, and stored site settings in the database (#3458, #3466, #3622).
Centralized Config Service: We introduced a centralized config-service with database-backed dynamic settings, enabling admins to modify branding, upload limits, authentication parameters, and system configurations through a web dashboard without service restarts or redeployment (#3453, #3458, #3466, #3480, #3511, #3522, #3533, #3622, #3664, #3693, #3700, #3743).
Dependency Updates: We upgraded PyArrow from 19.0.1 to 21.0.0, updated jOOQ to 3.16.23, and updated Formly to 6.3.12 (#3368, #3565, #3600, #3687).

Workflow Workspace Enhancements: The workspace now supports dynamic name-field resizing, double-click to open operator results, auto-centering, broken-workflow alerts, and reliable refresh behavior (#3342, #3359, #3573, #3603, #3606, #3636).
Result Panel Improvements: The result panel shows a compact statistics row, supports resizable panels, exports to HTML and Arrow, and auto-expands on click (#3429, #3435, #3568).
Visual Design Updates: We introduced a new Apache Texera logo, clarified button styling, added an adaptive navigation menu, and improved port statistics displays (#3481, #3483, #3486, #3489, #3569, #3585, #3601, #3722).
Dataset UI Improvements: The dataset UI shows version creation dates with timezone tooltips, displays upload speed and time estimates, updates progress in real time, and validates file sizes (#3426, #3427, #3612, #3662, #3702, #3706).
Admin Dashboard Enhancements: The admin dashboard includes user activity metrics, a better comment interface, column layout refinements, and a live branding preview (#3436, #3464, #3594, #3625, #3700).
Editor Experience: The editor shows operator descriptions in panels, supports dynamic sidebar customization, improves edge deletion and reconnection, and organizes the operator menu by category (#3349, #3364, #3411, #3437, #3479, #3533).