diff --git a/scripts/translation/lib/GitLogParser.php b/scripts/translation/lib/GitLogParser.php
index 65095f90c..8c3d841c9 100644
--- a/scripts/translation/lib/GitLogParser.php
+++ b/scripts/translation/lib/GitLogParser.php
@@ -26,10 +26,13 @@ static function parseInto( string $lang , RevcheckFileList & $list )
         $cwd = getcwd();
         chdir( $lang );
         $fp = popen( "git log --name-only" , "r" );
+        chdir( $cwd );
+
         $hash = "";
         $date = "";
         $skip = false;
         $mcnt = 0;
+
         while ( ( $line = fgets( $fp ) ) !== false )
         {
             // new commit block
@@ -81,38 +84,9 @@ static function parseInto( string $lang , RevcheckFileList & $list )
             if ( $info == null )
                 continue;
 
-            // Saves only the first commit hash of a file of git log,
-            // that is, the last commit hash in chronological order.
-
-            if ( $info->head == "" )
-            {
-                $info->head = $hash;
-                $info->date = $date;
-
-                if ( FIXED_SKIP_REVCHECK )
-                    if ( $skip )
-                        $info->diff = "skip";
-            }
-
-            if ( !FIXED_SKIP_REVCHECK )
-            {
-                // Also tracks the first commit hash of a file in git log
-                // that is *not* market with [skip-revcheck] (the diff hash)
-                // so it's possible to not bother translations with
-                // minutiae modifications.
-
-                if ( $skip )
-                    continue;
-
-                if ( $info->diff == "" )
-                {
-                    $info->diff = $hash;
-                    $info->date = $date;
-                }
-            }
+            $info->addGitLogData( $hash , $date , $skip );
         }
 
         pclose( $fp );
-        chdir( $cwd );
     }
 }
diff --git a/scripts/translation/lib/RevcheckData.php b/scripts/translation/lib/RevcheckData.php
index d3e19b977..0aa113e51 100644
--- a/scripts/translation/lib/RevcheckData.php
+++ b/scripts/translation/lib/RevcheckData.php
@@ -17,9 +17,6 @@
  *  +----------------------------------------------------------------------+
  */
 
-// NOTE: This file MAY be used in more of one git repository in future.
-// If it is the case, please make note of this in *both* places.
-
 enum RevcheckStatus : string
 {
     case TranslatedOk  = 'TranslatedOk';
diff --git a/scripts/translation/lib/RevcheckFileInfo.php b/scripts/translation/lib/RevcheckFileItem.php
similarity index 62%
rename from scripts/translation/lib/RevcheckFileInfo.php
rename to scripts/translation/lib/RevcheckFileItem.php
index 5ebc5c46e..83232b3a5 100644
--- a/scripts/translation/lib/RevcheckFileInfo.php
+++ b/scripts/translation/lib/RevcheckFileItem.php
@@ -19,17 +19,22 @@
 
 require_once __DIR__ . '/all.php';
 
-class RevcheckFileInfo
+class RevcheckFileItem
 {
     public string $file = ""; // from fs
     public int    $size = 0 ; // from fs
     public string $head = ""; // from vcs, source only, head hash, may be skipped
     public string $diff = ""; // from vcs, source only, diff hash, no skips
     public int    $date = 0 ; // from vcs, source only, date of head or diff commit
+    public string $hashLast = ""; // derived by addGitLogData
+    public string $hashDiff = ""; // derived by addGitLogData, isSyncHash
 
     public RevcheckStatus  $status; // target only
     public RevtagInfo|null $revtag; // target only
 
+    private array $hashList;        // source only
+    private bool  $hashStop;        // source only
+
     function __construct( string $file , int $size )
     {
         $this->file = $file;
@@ -39,5 +44,38 @@ function __construct( string $file , int $size )
         $this->date = 0;
         $this->status = RevcheckStatus::Untranslated;
         $this->revtag = null;
+        $this->hashList = [];
+        $this->hashStop = false;
+    }
+
+    public function addGitLogData( string $hash , string $date , bool $skip ) : void
+    {
+        // Accumulates valid hashes for RevcheckStatus::TranslatedOk status.
+        // This includes topmost runs of [skip-revcheck] tags and one normal,
+        // unmarked hash. Stop after first normal hash is found.
+
+        if ( $this->hashStop )
+            return;
+
+        $this->hashList[] = $hash;
+
+        if ( $this->hashLast == "" )
+        {
+            $this->date = $date;
+            $this->hashLast = $hash;
+        }
+
+        if ( $skip )
+            $this->diffHash = $hash;
+        else
+            $this->hashStop = true;
+    }
+
+    public function isSyncHash( $hash )
+    {
+        $sync = in_array( $hash , $this->hashList );
+        if ( $sync )
+            $this->hashDiff = $hash;
+        return $sync;
     }
 }
diff --git a/scripts/translation/lib/RevcheckFileList.php b/scripts/translation/lib/RevcheckFileList.php
index a227912b7..5e67ed304 100644
--- a/scripts/translation/lib/RevcheckFileList.php
+++ b/scripts/translation/lib/RevcheckFileList.php
@@ -28,7 +28,7 @@ function __construct( $lang )
         $this->loadTree( $lang );
     }
 
-    function get( $file ): RevcheckFileInfo|null
+    function get( $file ): RevcheckFileItem|null
     {
         return $this->list[ $file ] ?? null;
     }
@@ -70,7 +70,7 @@ function loadTreeRecurse( $lang , $path )
 
             if ( RevcheckIgnore::ignore( $key ) )
                 continue;
-            $file = new RevcheckFileInfo( $key , $entry->getSize() );
+            $file = new RevcheckFileItem( $key , $entry->getSize() );
             $this->list[ $key ] = $file;
         }
 
diff --git a/scripts/translation/lib/RevcheckRun.php b/scripts/translation/lib/RevcheckRun.php
index dc3c2ced6..b39d08b8a 100644
--- a/scripts/translation/lib/RevcheckRun.php
+++ b/scripts/translation/lib/RevcheckRun.php
@@ -36,20 +36,21 @@ class RevcheckRun
 
     public array $qaList = [];
     public RevcheckData $revData;
+    private int $slowPathCount = 0;
 
     function __construct( string $sourceDir , string $targetDir , bool $writeResults = false )
     {
         $this->sourceDir = $sourceDir;
         $this->targetDir = $targetDir;
 
-        // load respective file tree
+        // Load respective file trees
         $this->sourceFiles = new RevcheckFileList( $sourceDir );
         $this->targetFiles = new RevcheckFileList( $targetDir );
 
-        // original files get info from version control
+        // Source files get info from version control
         GitLogParser::parseInto( $sourceDir , $this->sourceFiles );
 
-        // translated files get info from file contents
+        // Target files get info from revtags
         RevtagParser::parseInto( $targetDir , $this->targetFiles );
 
         // match and mix
@@ -62,6 +63,9 @@ function __construct( string $sourceDir , string $targetDir , bool $writeResults
             QaFileInfo::cacheSave( $this->qaList );
             $this->saveRevcheckData();
         }
+
+        if ( $this->slowPathCount > 1000 )
+            fprintf( STDERR , "Warn: Slow path called {$this->slowPathCount} times.\n" );
     }
 
     private function calculateStatus()
@@ -94,6 +98,8 @@ private function calculateStatus()
                 continue;
             }
 
+            // TODO remove $(source|target)H* with QA simplification
+
             // Previous code compares uptodate on multiple hashs. The last hash or the last non-skipped hash.
             // See https://github.com/php/doc-base/blob/090ff07aa03c3e4ad7320a4ace9ffb6d5ede722f/scripts/revcheck.php#L374
             // and https://github.com/php/doc-base/blob/090ff07aa03c3e4ad7320a4ace9ffb6d5ede722f/scripts/revcheck.php#L392 .
@@ -110,7 +116,7 @@ private function calculateStatus()
 
             // TranslatedOk
 
-            if ( $target->revtag->status == "ready" && ( $sourceHsh1 == $targetHash || $sourceHsh2 == $targetHash ) )
+            if ( $target->revtag->status == "ready" && $source->isSyncHash( $target->revtag->revision ) )
             {
                 $source->status = RevcheckStatus::TranslatedOk;
                 $this->filesOk[] = $source;
@@ -123,18 +129,9 @@ private function calculateStatus()
 
             if ( $target->revtag->status == "ready" )
             {
-                if ( FIXED_SKIP_REVCHECK && $source->diff == "skip" && TestFixedHashMinusTwo( $source->file , $targetHash ) )
-                {
-                    $source->status = RevcheckStatus::TranslatedOk;
-                    $this->filesOk[] = $source;
-                    $this->addData( $source , $target->revtag );
-                }
-                else
-                {
-                    $source->status = RevcheckStatus::TranslatedOld;
-                    $this->filesOld[] = $source;
-                    $this->addData( $source , $target->revtag );
-                }
+                $source->status = RevcheckStatus::TranslatedOld;
+                $this->filesOld[] = $source;
+                $this->addData( $source , $target->revtag );
             }
             else
             {
@@ -160,7 +157,7 @@ private function calculateStatus()
         asort( $this->revData->fileDetail );
     }
 
-    private function addData( RevcheckFileInfo $info , RevtagInfo|null $revtag = null ) : void
+    private function addData( RevcheckFileItem $info , RevtagInfo|null $revtag = null ) : void
     {
         $file = new RevcheckDataFile;
 
@@ -169,8 +166,8 @@ private function addData( RevcheckFileInfo $info , RevtagInfo|null $revtag = nul
         $file->size = $info->size;
         $file->days = floor( ( time() - $info->date ) / 86400 );
         $file->status = $info->status;
-        $file->hashLast = $info->head;
-        $file->hashDiff = $info->diff;
+        $file->hashLast = $info->hashLast;
+        $file->hashDiff = $info->hashDiff;
 
         $this->revData->addFile( $info->file , $file );
 
@@ -199,6 +196,7 @@ private function addData( RevcheckFileInfo $info , RevtagInfo|null $revtag = nul
             {
                 case RevcheckStatus::TranslatedOld:
                 case RevcheckStatus::TranslatedWip:
+                    $this->slowPathCount++;
                     GitDiffParser::parseAddsDels( $this->sourceDir , $file );
             }
         }
@@ -240,16 +238,3 @@ private function saveRevcheckData()
         file_put_contents( __DIR__ . "/../../../.revcheck.json" , $json );
     }
 }
-
-function TestFixedHashMinusTwo($filename, $hash) :bool
-{
-    assert( FIXED_SKIP_REVCHECK ); // if deleted, delete entire funciont.
-
-    // See mentions of FIXED_SKIP_REVCHECK on all.php for an explanation
-
-    $cwd = getcwd();
-    chdir( 'en' );
-    $hashes = explode ( "\n" , `git log -2 --format=%H -- {$filename}` );
-    chdir( $cwd );
-    return ( $hashes[1] == $hash ); // $trFile->hash
-}
diff --git a/scripts/translation/lib/all.php b/scripts/translation/lib/all.php
index 62ec3177d..85b251f97 100644
--- a/scripts/translation/lib/all.php
+++ b/scripts/translation/lib/all.php
@@ -30,7 +30,7 @@
 require_once __DIR__ . '/OutputIgnoreBuffer.php';
 require_once __DIR__ . '/QaFileInfo.php';
 require_once __DIR__ . '/RevcheckData.php';
-require_once __DIR__ . '/RevcheckFileInfo.php';
+require_once __DIR__ . '/RevcheckFileItem.php';
 require_once __DIR__ . '/RevcheckFileList.php';
 require_once __DIR__ . '/RevcheckIgnore.php';
 require_once __DIR__ . '/RevcheckRun.php';