What's Changed

• Removed the field type restriction when pre-filling fields from route options during new Document creation; now, all fields (except those marked with No Copy) are pre-filled regardless of their field type. https://github.com/frappe/frappe/pull/29096
• Added path validation to the file export process to prevent writing files to invalid paths. https://github.com/frappe/frappe/pull/29099
• Added validation to prevent creating a new app or site with the same name as an existing site or app. https://github.com/frappe/frappe/pull/29108
• Improved performance when canceling documents by excluding specified ignored doctypes from querying linked documents. https://github.com/frappe/frappe/pull/29071
• Adjusted the Image View to display titles up to two lines, preventing long titles from being cut off after one line. https://github.com/frappe/frappe/pull/29065
• Fixed issues with Persian, Swedish, and French translations. https://github.com/frappe/frappe/pull/28978
• Added request timeouts for threaded server workers by switching to a custom version of gunicorn. https://github.com/frappe/frappe/pull/29135
• Resolved an error in Communication where emails with null UID or Seen values could not be marked as seen or unseen. https://github.com/frappe/frappe/pull/29140
• Fixed an issue where the current user's own count might be missing when grouping by Owner in list views; now the current user's count is always included and displayed first. https://github.com/frappe/frappe/pull/29141
• Added the new Scheduler Event doctype to allow configuring persistent cron jobs without using hooks.py; cron jobs can now be adjusted and will persist after migrations. https://github.com/frappe/frappe/pull/29134
• Resolved an issue causing assets.json to be read on every request by correctly forwarding the shared cache flag, ensuring proper caching and improved performance. https://github.com/frappe/frappe/pull/29148
• The Scheduled Against field in the Scheduler Event DocType has been made mandatory and is now displayed in the list view. https://github.com/frappe/frappe/pull/29136

Full Changelog: https://github.com/frappe/frappe/compare/v15.51.2...v15.52.0