Birthday not editable.

Steps to reproduce

1. Go to a contact with a birthday or add birthday property to a contact
2. Change the birthday to an other date
3. The birthday date is not updated

Expected behaviour

The new birthday date should stick

Actual behaviour

The birthday date is not updated
Server configuration detail

Operating system: Linux 5.4.0-28-generic #32-Ubuntu SMP Wed Apr 22 17:40:10 UTC 2020 x86_64

Webserver: Apache/2.4.41 (Ubuntu) (apache2handler)

Database: mysql 8.0.28

PHP version:

7.4.3 Modules loaded: Core, date, libxml, openssl, pcre, zlib, filter, hash, Reflection, SPL, session, standard, sodium, apache2handler, mysqlnd, PDO, xml, apcu, bcmath, bz2, calendar, ctype, curl, dom, mbstring, FFI, fileinfo, ftp, gd, gettext, gmp, iconv, igbinary, imagick, intl, json, exif, msgpack, mysqli, pdo_mysql, apc, posix, readline, redis, shmop, SimpleXML, soap, sockets, sysvmsg, sysvsem, sysvshm, tokenizer, xmlreader, xmlwriter, xsl, zip, Phar, memcached, Zend OPcache

Nextcloud version: 22.2.5 - 22.2.5.1

Updated from an older Nextcloud/ownCloud or fresh install:

Where did you install Nextcloud from: unknown
Signing status
Array ( )
List of activated apps
Enabled: - accessibility: 1.8.0 - activity: 2.15.0 - bookmarks: 10.1.0 - bruteforcesettings: 2.3.0 - calendar: 3.2.0 - circles: 22.2.0 - cloud_federation_api: 1.5.0 - comments: 1.12.0 - contacts: 4.0.8 - contactsinteraction: 1.3.0 - dashboard: 7.2.0 - dav: 1.20.0 - deck: 1.5.6 - federatedfilesharing: 1.12.0 - federation: 1.12.0 - files: 1.17.0 - files_external: 1.13.1 - files_pdfviewer: 2.3.1 - files_rightclick: 1.1.0 - files_sharing: 1.14.0 - files_trashbin: 1.12.0 - files_versions: 1.15.0 - files_videoplayer: 1.11.0 - firstrunwizard: 2.11.0 - issuetemplate: 0.7.0 - logreader: 2.7.0 - lookup_server_connector: 1.10.0 - mail: 1.11.7 - nextcloud_announcements: 1.11.0 - notes: 4.3.1 - notifications: 2.10.1 - oauth2: 1.10.0 - password_policy: 1.12.0 - passwords: 2021.12.20 - photos: 1.4.0 - privacy: 1.6.0 - provisioning_api: 1.12.0 - recommendations: 1.1.0 - richdocuments: 4.2.5 - richdocumentscode: 21.11.204 - serverinfo: 1.12.0 - settings: 1.4.0 - sharebymail: 1.12.0 - spreed: 12.2.3 - support: 1.5.0 - survey_client: 1.10.0 - systemtags: 1.12.0 - tasks: 0.14.2 - text: 3.3.0 - theming: 1.13.0 - twofactor_backupcodes: 1.11.0 - updatenotification: 1.12.0 - user_status: 1.2.0 - viewer: 1.6.0 - weather_status: 1.2.0 - workflowengine: 2.4.0 Disabled: - admin_audit - encryption - music - occweb - user_ldap
Configuration (config/config.php)
{ "passwordsalt": "***REMOVED SENSITIVE VALUE***", "datadirectory": "***REMOVED SENSITIVE VALUE***", "dbtype": "mysql", "version": "22.2.5.1", "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbtableprefix": "oc_", "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "instanceid": "***REMOVED SENSITIVE VALUE***", "maxZipInputSize": 8375186227.2, "allowZipDownload": true, "maintenance": false, "loglevel": 0, "forcessl": true, "theme": "", "logtimezone": "Europe\/Amsterdam", "log_authfailip": true, "trusted_domains": [ "www.oatfield.nl" ], "mail_smtpmode": "smtp", "mail_smtpsecure": "tls", "mail_from_address": "***REMOVED SENSITIVE VALUE***", "mail_domain": "***REMOVED SENSITIVE VALUE***", "mail_smtpauth": 1, "mail_smtphost": "***REMOVED SENSITIVE VALUE***", "mail_smtpport": "587", "mail_smtpauthtype": "LOGIN", "mail_smtpname": "***REMOVED SENSITIVE VALUE***", "mail_smtppassword": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trashbin_retention_obligation": "auto", "updater.release.channel": "stable", "mysql.utf8mb4": true, "filelocking.enabled": "true", "memcache.local": "\\OC\\Memcache\\Redis", "memcache.locking": "\\OC\\Memcache\\Redis", "redis": { "host": "***REMOVED SENSITIVE VALUE***", "port": 0, "dbindex": 0, "timeout": 1.5 }, "app_install_overwrite": [ "occweb", "spreed", "issuetemplate" ], "overwriteprotocol": "https", "overwrite.cli.url": "https:\/\/www.oatfield.nl\/nextcloud", "default_phone_region": "NL" }

Are you using external storage, if yes which one: local/smb/sftp/...

Are you using encryption:

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...
Client configuration

Browser: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:98.0) Gecko/20100101 Firefox/98.0

Operating system:

Reproduce the birthday edit flow in the Contacts app using the steps in the issue, then trace how the changed date is saved and loaded. The work is done when changing an existing contact's birthday persists and remains visible after revisiting the contact.