5.21.0

🎉 Exciting New Features

• Add Admin-only option to view and delete system logs by @Copilot in #7437
• Add admin task and management page for log file cleanup by @Copilot in #7410

🔑 Security

• App Bootstrap cleanup and security updates by @DawoudIO in #7461
• Security: Sanitize User Input in API Endpoints by @DawoudIO in #7467
• Fix CVE-2019-17205: Stored XSS vulnerability in deposit comments by @Copilot in #7431

🪲 Bugs

• Fix CSV import bug: correct inverted date validation logic in ParseDate function by @Copilot in #7440
• Fix Config.php writability check failing during initial setup by @Copilot in #7426
• Fix TypeError in AppIntegrityService::getIntegrityCheckMessage() after upgrade to 5.12.0 by @Copilot in #7425
• Fix: Birthday calendar filter to use proper integer comparison by @Copilot in #7429
• Fix logging timezone consistency by setting UTC default before bootstrap by @Copilot in #7412
• Fix missing directories in backup when bBackupExtraneousImages is False by @Copilot in #7418
• Fix backup database error by adding proper directory creation error handling by @Copilot in #7417
• Fix: Calendar deletion and access token update bugs by @Copilot in #7383

💬 Localization

• 5.20.0 POEditor Update - 2025-10-06 by @github-actions[bot] in #7385
• 5.19.0 POEditor Update - 2025-10-11 by @github-actions[bot] in #7393
• Locale: Better Scripts & KO Locale by @DawoudIO in #7397
• 🌍 POEditor Locale Update - Download KO-KR by @github-actions[bot] in #7399
• 🌍 POEditor Locale Update - 2025-10-12 by @github-actions[bot] in #7401
• Updated locale scripts by @DawoudIO in #7402
• 🌍 POEditor Locale Update - 2025-10-13 by @github-actions[bot] in #7453

Inner Beauty

• started 5.20.0 by @DawoudIO in #7395
• Fix unnecessary exception logging for public API authentication checks by @Copilot in #7415
• Slim MVC - Ensure all code is compatible with Slim v4 by @DawoudIO in #7465
• New DepositService - SQL to ORM by @DawoudIO in #7466
• Upgrade Cypress System and Test to match latest recommendations by @DawoudIO in #7384
• Docker cleanup / speed up by @DawoudIO in #7386
• Update build-test-package.yml to modern actions by @DawoudIO in #7398
• Cleanner e2e upgrade script with no manual changes by @DawoudIO in #7405
• cleanupLocalGit is not a needed via Grunt by @DawoudIO in #7407
• fixed 2 versions of cypress and upgraded to latest version by @DawoudIO in #7406
• remove babel as it is not used by @DawoudIO in #7408
• Build - Starting release 5.21.0 by @DawoudIO in #7444
• Potential fix for code scanning alert no. 142: Workflow does not contain permissions by @DawoudIO in #7459
• Potential fix for code scanning alert no. 139: Workflow does not contain permissions by @DawoudIO in #7460
• Move upgrade routines from SystemService to new VersionUtils utility class by @Copilot in #7414
• Slim cleanup by @DawoudIO in #7462
• Add missing PHP extension requirements for intl, bcmath, and sodium by @Copilot in #7394
• removed grunt-lineending by @DawoudIO in #7400
• Fix version detection error when already on latest release by @Copilot in #7411

Full Changelog: 5.19.0...5.21.0