chore(release): Bumped to Version 15.21.0

# [15.21.0](v15.20.0...v15.21.0) (2024-04-09)

### Bug Fixes

* add in_install flag to print_format validate (backport [#25752](#25752)) ([#25779](#25779)) ([b4eb918](b4eb918))
* auto add modified index when sort_field is set to it ([#25686](#25686)) ([#25786](#25786)) ([9e37908](9e37908))
* bigint validation (backport [#25733](#25733)) ([#25822](#25822)) ([4af75a1](4af75a1))
* check if user exists in browse command ([2b50e48](2b50e48))
* Column 'creation' in order clause was ambiguous ([97cc96e](97cc96e))
* copy paste from Excel (issue [#24371](#24371)) ([d816753](d816753))
* copy paste from Excel (issue [#24371](#24371)) ([a31c530](a31c530))
* **dashboard_chart:** use dict.get() to avoid a KeyError ([5fd854a](5fd854a))
* Don't assign returned values if row is deleted ([#25806](#25806)) ([#25826](#25826)) ([be3fd94](be3fd94))
* don't show bulk actions for doctype with workflow ([bf9ed2a](bf9ed2a))
* dont allow querying files to website users ([#25094](#25094)) ([#25701](#25701)) ([f95b4d6](f95b4d6))
* ensure we don't try to add int and NoneType ([8dcabaf](8dcabaf))
* Get filter value based on depends_on field ([#25861](#25861)) ([#25862](#25862)) ([dc113c4](dc113c4))
* **grid:** don't crash if row doesn't exist ([755d4a9](755d4a9))
* **grid:** ensure that `doc.name` is truthy before proceeding ([#25800](#25800)) ([#25829](#25829)) ([6234baf](6234baf))
* **layout:** handle `fieldobj` being null ([67eba0f](67eba0f))
* **link:** get_input_value returns `""` ([#25878](#25878)) ([#25883](#25883)) ([f918416](f918416))
* **ListView:** In ListView make visible link title value for Subject column ([#25569](#25569)) ([30737e5](30737e5)), closes [#25567](#25567)
* log report errors to aid debugging ([#25738](#25738)) ([#25846](#25846)) ([ba8fd90](ba8fd90))
* make_request - prevents an error during response parsing if the response body is empty. ([#24613](#24613)) ([057db90](057db90))
* max-width of email attachment filename ([4b879f2](4b879f2))
* only try JSON if content-type says so ([#24936](#24936)) ([c5ddbb6](c5ddbb6))
* **sentry:** correctly skip `frappe.ValidationError` and its children ([e18ff5d](e18ff5d))
* type error in workflow ([#25847](#25847)) ([#25849](#25849)) ([32bbba3](32bbba3))

### Features

* don't require editing MariaDB configuration to setup frappe (backport [#25609](#25609)) ([#25757](#25757)) ([b47c658](b47c658))
* Include `before_print` in doctype event of Server Script (backport [#25858](#25858)) ([244be81](244be81))
* **router:** Go to default workspace when clicking app logo ([#25706](#25706)) ([#25727](#25727)) ([92919d1](92919d1))

### Performance Improvements

* render list (backport [#25524](#25524)) ([#25699](#25699)) ([d103b91](d103b91))
* **Scheduling:** add jitter to job scheduling ([#25857](#25857)) ([180c3b2](180c3b2)), closes [#19007](#19007)

frappe/__init__.py

@@ -50,7 +50,7 @@
 )
 from .utils.lazy_loader import lazy_import
 
-__version__ = "15.20.0"
+__version__ = "15.21.0"
 __title__ = "Frappe Framework"
 
 controllers = {}