Update changelog

Author: DZakh

CHANGELOG.md

@@ -16,6 +16,8 @@
 
 - Fix issue with Dynamic import of module in nested expressions https://github.com/rescript-lang/rescript-compiler/pull/6431
 - Fix issue where GenType was not supporting `@tag` on ordinary variatns https://github.com/rescript-lang/rescript-compiler/pull/6437
+- Fix `rc.4` regressions:
+  - Don't show compilation time when calling `rescript build -help` command https://github.com/rescript-lang/rescript-compiler/pull/6439
 
 #### :nail_care: Polish
 

rescript

@@ -512,6 +512,10 @@ Please pick a different one using the \`-ws [host:]port\` flag from bsb.`);
     buildFinishedCallback(0);
   });
 } else {
+  // We want to show the compile time for build
+  // But bsb might show a help message in some cases
+  // We don't want to show the compile time in the case
+  // But we can only be sure about that when building without any additional args
   const isDefinitelyBuild =
     maybeSubcommand === undefined ||
     (maybeSubcommand === "build" && process_argv.length === 3);