Version 5.7.3

Enhancements:

• #3250 Improve performance of taxii/stream data loading by batching element refs resolution
• #3224 Create a default Group for Connector at initialization
• #3223 Ambiguous Error For SSO Failure when Missing Groups
• #3145 Add Case Rfi and Case Rft Entities

Bug Fixes:

• #3251 In threat actors / intrusion sets / campaigns list, search keyword is not remembered
• #3246 The attribute x_opencti_graph_data is not allowed on Case-Incident
• #3245 Uploading file in new external references not working
• #3243 Uploading file in external references then delete, the file never disappear
• #3239 Remove align migration date to prevent migration reapply
• #3238 Missing first_seen date causes errors in data synchronization
• #3231 Migration 5.6.2 -> 5.7.2 A database error has occurred
• #3219 Filtering on indicator types is not working anymore
• #3215 Version 5.7.2 partially fixes the relationships visibility problem. The relationships are visible, but the error arises when trying to visualize the single relationship details.
• #3213 No distribution statistics in incidents
• #3209 Error when generating an export for observables
• #3208 Relationships containing not visible entities for a certain user gives a platform error
• #3027 Creating and deleting "child" relationships between 2 Process Objects throws "t.substr is not a function"

Pull Requests:

• [frontend/backend] Add Case Rfi and Case Rft Entities (#issue/2977) by @Kedae in #3145
• [backend] Default Group for Connector at initialization (#3224) by @RomuDeuxfois in #3228
• [frontend] Fix filtering on indicator types and observable types by @RomuDeuxfois in #3225
• [frontend] Fix incident distribution (#3213) by @RomuDeuxfois in #3237
• [frontend] Fix observables export in report (#3209) by @RomuDeuxfois in #3230
• [frontend] Change Stix sighting to allow empty first_seen/last_seen (#3238) by @richard-julien in #3244
• [frontend/backend] Add support for partial inference explanations display (#3215) by @richard-julien in #3217
• [backend] Improved Attribute Hierarchy for SDO by @RomuDeuxfois in #3247
• [backend] Improve performance of taxii/stream data loading by batching element complete resolution by @richard-julien in #3214

Full Changelog: 5.7.2...5.7.3