diff --git a/content/release_notes/client.md b/content/release_notes/client.md
index d018c7852..8cba50e46 100644
--- a/content/release_notes/client.md
+++ b/content/release_notes/client.md
@@ -17,6 +17,85 @@ summary = "Chef Infra Client release notes"
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+## Chef Infra Client 19.4.x
+
+Release date: TBD
+
+### Improvements
+
+- We updated Chef-19 with support for Ruby 3.4.10 and OpenSSL 3.5.7
+([16242](https://github.com/chef/chef/pull/16242))
+
+- The `chef_client_config` resource now accepts two new properties. `directory_specs` lets you configure permissions (owner, group, mode, and Windows rights and inherits) for each Chef-managed directory: `:config`, `:client_d`, `:logs`, `:cache`, and `:backups`. `client_rb_mode` lets you set the file mode of the generated `client.rb` file (defaults to `"0640"`).
+  ([#16019](https://github.com/chef/chef/pull/16019))
+
+- Template error messages now include the cookbook name and template filename, and are truncated to 10,000 characters to prevent exposing large node attribute data in logs.
+  ([#16073](https://github.com/chef/chef/pull/16073))
+
+- Sensitive properties — passwords, auth tokens, and private key passphrases — are now correctly masked in logs and run reports for `chocolatey_installer`, `chocolatey_package`, `habitat_package`, `habitat_sup`, `openssl_ec_private_key`, and `openssl_rsa_private_key`.
+  ([#16107](https://github.com/chef/chef/pull/16107))
+
+### Bug fixes
+
+- Fixed idempotency in the `sysctl` resource so that it no longer reports a spurious change when the kernel parameter is already at the correct value.
+  ([#16035](https://github.com/chef/chef/pull/16035))
+
+- Fixed a bug in the `chocolatey_installer` resource where the installer was always downloaded from Chocolatey's default URL, ignoring a custom URL option. The resource now constructs a full file path for `Invoke-WebRequest -OutFile`, which PowerShell 5.1 requires.
+  ([#16036](https://github.com/chef/chef/pull/16036))
+
+- Fixed the NOTICE file path so that a missing or misplaced NOTICE file raises an error rather than silently continuing.
+  ([#16153](https://github.com/chef/chef/pull/16153))
+
+### Security
+
+- Fixed a path traversal vulnerability in the `archive_file` resource. Extraction now rejects archive entries containing `..` sequences, absolute paths, and unsafe symlinks.
+  ([#16095](https://github.com/chef/chef/pull/16095))
+
+- Updated `faraday` to 2.14.3 to address GHSA-98m9-rrrm-r99r and GHSA-5rv5-xj5j-3484.
+  ([#16132](https://github.com/chef/chef/pull/16132))
+
+- Applied Cookstyle corrections across the codebase.
+  ([#16201](https://github.com/chef/chef/pull/16201))
+
+### Compliance Phase
+
+- Updated InSpec to 7.1.7.
+  ([#16135](https://github.com/chef/chef/pull/16135))
+
+
+### Packaging
+
+- Added Habitat build plan and GitHub workflows for macOS ARM (`aarch64-darwin`). Chef Infra Client Habitat packages are now released for Apple Silicon natively. What this means is that for now, there won't be a dmg file for macos packages but the migration tool can be used to install it
+  ([#16115](https://github.com/chef/chef/pull/16115), [#16130](https://github.com/chef/chef/pull/16130))
+
+- Updated the Habitat ARM package build and promotion pipeline.
+  ([#15986](https://github.com/chef/chef/pull/15986))
+
+- Updated Habitat package version tracking to promote alongside `base-2025`.
+  ([#15998](https://github.com/chef/chef/pull/15998))
+
+- Updated Habitat version pinning strategy in the build pipeline.
+  ([#15995](https://github.com/chef/chef/pull/15995))
+
+
+### Dependency updates
+
+- Updated `aws-sdk-s3` from 1.222.0 to 1.227.0.
+  ([#16028](https://github.com/chef/chef/pull/16028), [#16113](https://github.com/chef/chef/pull/16113), [#16189](https://github.com/chef/chef/pull/16189))
+
+- Updated `aws-sdk-secretsmanager` from 1.130.0 to 1.133.0.
+  ([#16026](https://github.com/chef/chef/pull/16026), [#16079](https://github.com/chef/chef/pull/16079))
+
+- Updated `chef-vault` from 4.2.9 to 4.2.12.
+  ([#16127](https://github.com/chef/chef/pull/16127))
+
+- Updated `faraday` from 2.14.1 to 2.14.3.
+  ([#16132](https://github.com/chef/chef/pull/16132))
+
+- Updated Ohai from 19.1.31 to 19.1.40.
+  ([#16023](https://github.com/chef/chef/pull/16023), [#16117](https://github.com/chef/chef/pull/16117), [#16128](https://github.com/chef/chef/pull/16128), [#16140](https://github.com/chef/chef/pull/16140))
+
+
 ## Chef Infra Client 19.3.15
 
 Release date: May 22, 2026