Release v4.2.8

[jeremystretch]

Enhancements

• #17136 - Introduce the --readonly flag on upgrade script
• #17908 - Add trace buttons to terminations under cable view
• #18879 - Enable filtering prefixes by group of assigned VLAN
• #18976 - Include FHRP group name on interface lists
• #18978 - Add 802.1Q mode to interface filter form
• #19038 - Show count of related VLAN groups under cluster view
• #19040 - Add "copy to clipboard" button for rendered config
• #19056 - Enable filtering devices by location slug
• #19196 - Add filtering by VLAN translation policy to interface filter forms

Bug Fixes

• #18500 - prepare_cloned_fields() should validate cloning support on model
• #18669 - Ensure default custom field values are respected when creating objects via the REST API
• #18881 - Include missing related object counts under certain views
• #18955 - Omit "clear" button on required choice fields
• #18959 - Preserve ordering of terminations in cable traces
• #18961 - Virtual chassis form should exclude members of other VCs when adding members
• #19166 - Fix custom field choices bulk import support for base_choices
• #19189 - The load_yaml() convenience method on BaseScript should use SafeLoader
• #19195 - Language cookie should respect SESSION_COOKIE_SECURE value
• #19230 - Allow label reuse when creating multiple components from a pattern
• #19268 - Restore editing conflict protection for several object forms