release notes

docs/notes/2.25.x.md

@@ -28,6 +28,8 @@ Pants now sends a `user-agent` header with every request to a remote store or a
 even when other headers are configured. If necessary, the user may override the user agent by specifying
 one in `remote_store_headers` or `remote_execution_headers`.
 
+Pants now supports the `{chroot}` replacement marker in program arguments for remote execution. (With local and Docker execution, the `{chroot}` marker is replaced with the absolute path of the sandbox diretory if it appears in program arguments or environment variables. Pants will now replace `{chroot}` for program arguments with remote execution, but still does not yet support doing so in environment variables.)
+
 ### New Options System
 
 The "legacy" options system is removed in this release. All options parsing is now handled by the new, native parser.