What's Changed

• fix: enforce perms on global search (backport #23031) in https://github.com/frappe/frappe/pull/23034
• perf: Improve link checks during cancellation (backport #23019) in https://github.com/frappe/frappe/pull/23026
• perf: Enqueue "removing of index" on web page deletion (backport #23044) in https://github.com/frappe/frappe/pull/23046
• fix!: Correct between filtering (backport #22918) in https://github.com/frappe/frappe/pull/23037
• fix: pass default SSL context to imap/pop conn (backport #22873) in https://github.com/frappe/frappe/pull/23040
• fix: Respect "Do Not Track" settings (backport #23050) in https://github.com/frappe/frappe/pull/23053
• fix!: Don't silently fail API auth (backport #23049) in https://github.com/frappe/frappe/pull/23055
• refactor: Improve Form Builder UX (backport #22968) in https://github.com/frappe/frappe/pull/23058
• fix: do not loose focus if autocomplete is clicked (Form builder) (backport #23062) in https://github.com/frappe/frappe/pull/23063
• fix: Show exact OSError when creating SMTP session (backport #23067) in https://github.com/frappe/frappe/pull/23069
• fix: add dedicated add field button at each column (Form Builder) (backport #23066) in https://github.com/frappe/frappe/pull/23071
• fix(UX): Switch 'Duplicate' and 'Move' buttons on Form Builder. (backport #23072) in https://github.com/frappe/frappe/pull/23073
• build(deps): Update PyPDF to v3.17.0 (backport #23060) in https://github.com/frappe/frappe/pull/23076
• perf(GlobalSearch): bulk insert queued items (backport #23064) in https://github.com/frappe/frappe/pull/23081
• fix: Make editor editable in grid (backport #23085) in https://github.com/frappe/frappe/pull/23086
• fix: improve email queue reliability (backport #23070) in https://github.com/frappe/frappe/pull/23089
• fix: ToDo assignment (backport #23056) in https://github.com/frappe/frappe/pull/23115
• fix: get_open_grid_form function not found (backport #23116) in https://github.com/frappe/frappe/pull/23117
• fix: remove data import legacy leftover fields (backport #23113) in https://github.com/frappe/frappe/pull/23120
• fix(UX): Restrict grid upload to CSV files (backport #23109) in https://github.com/frappe/frappe/pull/23111
• perf: reuse SMTP session for email queue (backport #23075) in https://github.com/frappe/frappe/pull/23130
• refactor: Use werkzeug to identify JSON requests (backport #23133) in https://github.com/frappe/frappe/pull/23135
• fix(UX): updated error.html message (backport #23129) in https://github.com/frappe/frappe/pull/23137
• fix: attempt to not pass an empty string to json.loads (backport #23139) in https://github.com/frappe/frappe/pull/23142

Full Changelog: https://github.com/frappe/frappe/compare/v15.0.2...v15.1.0