Update CHANGELOG

Author: josevalim

CHANGELOG.md

@@ -7,17 +7,26 @@ Requires Elixir v1.14+.
 ### Enhancements
 
   * [Ecto] Support Elixir's built-in JSON
-  * [Ecto.Repo] Add `Ecto.Repo.all_by/3`
+  * [Ecto.Enum] Add `Ecto.Enum.cast_value/3`
   * [Ecto.Query] Allow schema to be used for `values` list types
   * [Ecto.Query] Allow strings in `field/2`
   * [Ecto.Query] Add `identifier/1` in queries
   * [Ecto.Query] Add `constant/1` in queries
   * [Ecto.Query] Allow `exclude/2` to remove windows
+  * [Ecto.Query] Allow source fields in `json_extract_path`
+  * [Ecto.Repo] Add `Ecto.Repo.prepare_transaction/2` user callback
+  * [Ecto.Repo] Add `Ecto.Repo.all_by/3`
+  * [Ecto.Schema] Support `@schema_redact: :all_except_primary_keys` module attribute
 
 ### Bug fixes
 
+  * [Ecto.Query] Allow select merging maps with all nil values
   * [Ecto.Schema] Fix an issue where Ecto could warn an association did not exist, when it did
 
+## v3.12.6 (2025-06-11)
+
+Fix deprecations on Elixir v1.19.
+
 ## v3.12.5 (2024-11-28)
 
 ### Bug fixes