8.15.2 / 2025-06-12

• fix(document+schema): improve handling for setting paths underneath maps, including maps of maps #15477 #15461
• fix: report default paths in VersionError message because they can can cause VersionError #15464
• fix(updateValidators): ensure update validators only call validators underneath single nested paths once #15446 #15436
• fix: fix validation for deeply nested maps of subdocuments #15469 #15447 AbdelrahmanHafez
• fix(DocumentArray): correctly set parent if instantiated with schema from another Mongoose instance #15471 #15466
• types(model): use ProjectionType for Model.hydrate() #15447 #15443