diff --git a/poky/meta/classes/package.bbclass b/poky/meta/classes/package.bbclass
index c4c5515..460997a 100644
--- a/poky/meta/classes/package.bbclass
+++ b/poky/meta/classes/package.bbclass
@@ -1224,6 +1224,14 @@
                 # Modified the file so clear the cache
                 cpath.updatecache(file)
 
+    def strip_pkgd_prefix(f):
+        nonlocal dvar
+
+        if f.startswith(dvar):
+            return f[len(dvar):]
+
+        return f
+
     #
     # First lets process debug splitting
     #
@@ -1237,6 +1245,8 @@
                 for file in staticlibs:
                     results.append( (file,source_info(file, d)) )
 
+        d.setVar("PKGDEBUGSOURCES", {strip_pkgd_prefix(f): sorted(s) for f, s in results})
+
         sources = set()
         for r in results:
             sources.update(r[1])
@@ -1549,6 +1559,7 @@
 python emit_pkgdata() {
     from glob import glob
     import json
+    import bb.compress.zstd
 
     def process_postinst_on_target(pkg, mlprefix):
         pkgval = d.getVar('PKG:%s' % pkg)
@@ -1621,6 +1632,8 @@
     with open(data_file, 'w') as fd:
         fd.write("PACKAGES: %s\n" % packages)
 
+    pkgdebugsource = d.getVar("PKGDEBUGSOURCES") or []
+
     pn = d.getVar('PN')
     global_variants = (d.getVar('MULTILIB_GLOBAL_VARIANTS') or "").split()
     variants = (d.getVar('MULTILIB_VARIANTS') or "").split()
@@ -1640,17 +1653,32 @@
             pkgval = pkg
             d.setVar('PKG:%s' % pkg, pkg)
 
+        extended_data = {
+            "files_info": {}
+        }
+
         pkgdestpkg = os.path.join(pkgdest, pkg)
         files = {}
+        files_extra = {}
         total_size = 0
         seen = set()
         for f in pkgfiles[pkg]:
-            relpth = os.path.relpath(f, pkgdestpkg)
+            fpath = os.sep + os.path.relpath(f, pkgdestpkg)
+
             fstat = os.lstat(f)
-            files[os.sep + relpth] = fstat.st_size
+            files[fpath] = fstat.st_size
+
+            extended_data["files_info"].setdefault(fpath, {})
+            extended_data["files_info"][fpath]['size'] = fstat.st_size
+
             if fstat.st_ino not in seen:
                 seen.add(fstat.st_ino)
                 total_size += fstat.st_size
+
+            if fpath in pkgdebugsource:
+                extended_data["files_info"][fpath]['debugsrc'] = pkgdebugsource[fpath]
+                del pkgdebugsource[fpath]
+
         d.setVar('FILES_INFO:' + pkg , json.dumps(files, sort_keys=True))
 
         process_postinst_on_target(pkg, d.getVar("MLPREFIX"))
@@ -1662,15 +1690,20 @@
                 val = write_if_exists(sf, pkg, var)
 
             write_if_exists(sf, pkg, 'FILERPROVIDESFLIST')
-            for dfile in (d.getVar('FILERPROVIDESFLIST:' + pkg) or "").split():
+            for dfile in sorted((d.getVar('FILERPROVIDESFLIST:' + pkg) or "").split()):
                 write_if_exists(sf, pkg, 'FILERPROVIDES:' + dfile)
 
             write_if_exists(sf, pkg, 'FILERDEPENDSFLIST')
-            for dfile in (d.getVar('FILERDEPENDSFLIST:' + pkg) or "").split():
+            for dfile in sorted((d.getVar('FILERDEPENDSFLIST:' + pkg) or "").split()):
                 write_if_exists(sf, pkg, 'FILERDEPENDS:' + dfile)
 
             sf.write('%s:%s: %d\n' % ('PKGSIZE', pkg, total_size))
 
+        subdata_extended_file = pkgdatadir + "/extended/%s.json.zstd" % pkg
+        num_threads = int(d.getVar("BB_NUMBER_THREADS"))
+        with bb.compress.zstd.open(subdata_extended_file, "wt", encoding="utf-8", num_threads=num_threads) as f:
+            json.dump(extended_data, f, sort_keys=True, separators=(",", ":"))
+
         # Symlinks needed for rprovides lookup
         rprov = d.getVar('RPROVIDES:%s' % pkg) or d.getVar('RPROVIDES')
         if rprov:
@@ -1701,7 +1734,8 @@
         write_extra_runtime_pkgs(global_variants, packages, pkgdatadir)
 
 }
-emit_pkgdata[dirs] = "${PKGDESTWORK}/runtime ${PKGDESTWORK}/runtime-reverse ${PKGDESTWORK}/runtime-rprovides"
+emit_pkgdata[dirs] = "${PKGDESTWORK}/runtime ${PKGDESTWORK}/runtime-reverse ${PKGDESTWORK}/runtime-rprovides ${PKGDESTWORK}/extended"
+emit_pkgdata[vardepsexclude] = "BB_NUMBER_THREADS"
 
 ldconfig_postinst_fragment() {
 if [ x"$D" = "x" ]; then
@@ -1763,9 +1797,9 @@
             d.appendVar(key, " " + " ".join(requires[file]))
 
     for pkg in requires_files:
-        d.setVar("FILERDEPENDSFLIST:" + pkg, " ".join(requires_files[pkg]))
+        d.setVar("FILERDEPENDSFLIST:" + pkg, " ".join(sorted(requires_files[pkg])))
     for pkg in provides_files:
-        d.setVar("FILERPROVIDESFLIST:" + pkg, " ".join(provides_files[pkg]))
+        d.setVar("FILERPROVIDESFLIST:" + pkg, " ".join(sorted(provides_files[pkg])))
 }
 
 SHLIBSDIRS = "${WORKDIR_PKGDATA}/${MLPREFIX}shlibs2"