Fields Borders are missing for every field in InstanceSummaryFields Borders are missing for every field in the Instance. The example below Incident Form Record. ReleaseAll ReleasesInstructionsThe issue is happening because of the custom theme used in the instance which is set by using the system property "glide.ui.polaris.theme.custom"Copy the sysid in the above propertyopen the record by navigating to sys_ux_theme recordIn the custom theme record. The OOB Shape & Form Style is missingCreate m2m_theme_style record using the The OOB Shape & Form Style or create a custom sys_ux_style and add the OOB Shape & Form Style css in it.After adding the Shape & Form Style. The issue get's resolved.