Update changelog

Author: dunglas

CHANGELOG.md

@@ -1,28 +1,26 @@
 # Changelog
 
-## 2.5.x-dev
-
 ## 2.5.5
 
-* GraphQL: Do not allow empty cursor values on `before` or `after`
-* Filter: Improve the RangeFilter query in case the values are equals using the between operator
-* Pagination: Fix bug with large values, 
+* Filter: Improve the RangeFilter query in case the values are equals using the between operator #3488
+* Pagination: Fix bug with large values #3451
 * Doctrine: use the correct type within `setParameter` of the SearchFilter #3331
-* Allow \Traversable resources #3463
+* Allow `\Traversable` resources #3463
 * Hydra: `hydra:writable` => `hydra:writeable` #3481
 * Hydra: Show `hydra:next` only when it's available #3457
-* DX: Improve contributing by adding a stub package for ext-mongodb #3431
-* Swagger: Missing default context argument #3443
-* Swagger: Fix API docs path in swagger ui #3475
+* Swagger UI: Missing default context argument #3443
+* Swagger UI: Fix API docs path in swagger ui #3475
 * OpenAPI: Export with unescaped slashes #3368
 * OpenAPI: OAuth flows fix #3333
 * JSON Schema: Fix metadata options #3425
 * JSON Schema: Allow decoration #3417
 * JSON Schema: Add DateInterval type #3351
 * JSON Schema: Correct schema generation for many types #3402
-* Validation: Use our `ValidationException` instead of symfony's #3414
+* Validation: Use API Platform's `ValidationException` instead of Symfony's #3414
+* Validation: Fix a bug preventing to serialize validator's payload #3375
 * Subresources: Improve queries when there's only one level #3396
 * HTTP: Location header is only set on POST with a 201 or between 300 and 400 #3497
+* GraphQL: Do not allow empty cursor values on `before` or `after` #3360
 
 ## 2.5.4