diff --git a/runtime/autoload/getscript.vim b/runtime/autoload/getscript.vim
index 3906050..e599d1e 100644
--- a/runtime/autoload/getscript.vim
+++ b/runtime/autoload/getscript.vim
@@ -12,6 +12,7 @@
 "                               autoloading search path fix
 "                               substitution of hardcoded commands with global variables
 "   2024 Nov 12 by Vim Project: fix problems on Windows (#16036)
+"   2025 Feb 28 by Vim Project: add support for bzip3 (#16755)
 "  }}}
 "
 " GetLatestVimScripts: 642 1 :AutoInstall: getscript.vim
@@ -100,6 +101,10 @@
  let g:GetLatestVimScripts_bunzip2= "bunzip2"
 endif
 
+if !exists("g:GetLatestVimScripts_bunzip3")
+ let g:GetLatestVimScripts_bunzip3= "bunzip3"
+endif
+
 if !exists("g:GetLatestVimScripts_gunzip")
  let g:GetLatestVimScripts_gunzip= "gunzip"
 endif
@@ -565,73 +570,55 @@
    " --------------------------------------------------------------------------
 "   call Decho("checking if plugin requested autoinstall: doautoinstall=".doautoinstall)
    if doautoinstall
-"    call Decho(" ")
-"    call Decho("Autoinstall: getcwd<".getcwd()."> filereadable(".sname.")=".filereadable(sname))
     if filereadable(sname)
-"     call Decho("<".sname."> is readable")
-"     call Decho("exe silent !".g:GetLatestVimScripts_mv." ".shellescape(sname)." ".shellescape(s:autoinstall))
      exe "silent !".g:GetLatestVimScripts_mv." ".shellescape(sname)." ".shellescape(s:autoinstall)
      let curdir    = fnameescape(substitute(getcwd(),'\','/','ge'))
      let installdir= curdir."/Installed"
      if !isdirectory(installdir)
       call mkdir(installdir)
      endif
-"     call Decho("curdir<".curdir."> installdir<".installdir.">")
-"     call Decho("exe cd ".fnameescape(s:autoinstall))
      exe "cd ".fnameescape(s:autoinstall)
 
      " determine target directory for moves
      let firstdir= substitute(&rtp,',.*$','','')
      let pname   = substitute(sname,'\..*','.vim','')
-"     call Decho("determine tgtdir: is <".firstdir.'/AsNeeded/'.pname." readable?")
      if filereadable(firstdir.'/AsNeeded/'.pname)
       let tgtdir= "AsNeeded"
      else
       let tgtdir= "plugin"
      endif
-"     call Decho("tgtdir<".tgtdir.">  pname<".pname.">")
-     
+
      " decompress
      if sname =~ '\.bz2$'
-"      call Decho("decompress: attempt to bunzip2 ".sname)
       exe "sil !".g:GetLatestVimScripts_bunzip2." ".shellescape(sname)
       let sname= substitute(sname,'\.bz2$','','')
-"      call Decho("decompress: new sname<".sname."> after bunzip2")
+     elseif sname =~ '\.bz3$'
+      exe "sil !".g:GetLatestVimScripts_bunzip3." ".shellescape(sname)
+      let sname= substitute(sname,'\.bz3$','','')
      elseif sname =~ '\.gz$'
-"      call Decho("decompress: attempt to gunzip ".sname)
       exe "sil !".g:GetLatestVimScripts_gunzip." ".shellescape(sname)
       let sname= substitute(sname,'\.gz$','','')
-"      call Decho("decompress: new sname<".sname."> after gunzip")
      elseif sname =~ '\.xz$'
-"      call Decho("decompress: attempt to unxz ".sname)
       exe "sil !".g:GetLatestVimScripts_unxz." ".shellescape(sname)
       let sname= substitute(sname,'\.xz$','','')
-"      call Decho("decompress: new sname<".sname."> after unxz")
      else
 "      call Decho("no decompression needed")
      endif
-     
+
      " distribute archive(.zip, .tar, .vba, .vmb, ...) contents
      if sname =~ '\.zip$'
-"      call Decho("dearchive: attempt to unzip ".sname)
       exe "silent !".g:GetLatestVimScripts_unzip." -o ".shellescape(sname)
      elseif sname =~ '\.tar$'
-"      call Decho("dearchive: attempt to untar ".sname)
       exe "silent !tar -xvf ".shellescape(sname)
      elseif sname =~ '\.tgz$'
-"      call Decho("dearchive: attempt to untar+gunzip ".sname)
       exe "silent !tar -zxvf ".shellescape(sname)
      elseif sname =~ '\.taz$'
-"      call Decho("dearchive: attempt to untar+uncompress ".sname)
       exe "silent !tar -Zxvf ".shellescape(sname)
      elseif sname =~ '\.tbz$'
-"      call Decho("dearchive: attempt to untar+bunzip2 ".sname)
       exe "silent !tar -jxvf ".shellescape(sname)
      elseif sname =~ '\.txz$'
-"      call Decho("dearchive: attempt to untar+xz ".sname)
       exe "silent !tar -Jxvf ".shellescape(sname)
      elseif sname =~ '\.vba$\|\.vmb$'
-"      call Decho("dearchive: attempt to handle a vimball: ".sname)
       silent 1split
       if exists("g:vimball_home")
        let oldvimballhome= g:vimball_home
@@ -648,25 +635,21 @@
      else
 "      call Decho("no dearchiving needed")
      endif
-     
+
      " ---------------------------------------------
      " move plugin to plugin/ or AsNeeded/ directory
      " ---------------------------------------------
      if sname =~ '.vim$'
-"      call Decho("dearchive: attempt to simply move ".sname." to ".tgtdir)
       exe "silent !".g:GetLatestVimScripts_mv." ".shellescape(sname)." ".tgtdir
      else
-"      call Decho("dearchive: move <".sname."> to installdir<".installdir.">")
       exe "silent !".g:GetLatestVimScripts_mv." ".shellescape(sname)." ".installdir
      endif
      if tgtdir != "plugin"
-"      call Decho("exe silent !".g:GetLatestVimScripts_mv." ".shellescape("plugin/".pname)." ".tgtdir)
       exe "silent !".g:GetLatestVimScripts_mv." ".shellescape("plugin/".pname)." ".tgtdir
      endif
-     
+
      " helptags step
      let docdir= substitute(&rtp,',.*','','e')."/doc"
-"     call Decho("helptags: docdir<".docdir.">")
      exe "helptags ".fnameescape(docdir)
      exe "cd ".fnameescape(curdir)
     endif
@@ -681,13 +664,8 @@
 
    " update the data in the <GetLatestVimScripts.dat> file
    call setline(line("."),modline)
-"   call Decho("update data in ".expand("%")."#".line(".").": modline<".modline.">")
-"  else " Decho
-"   call Decho("[latestsrcid=".latestsrcid."] <= [srcid=".srcid."], no need to update")
   endif
 
-"  call Dredir("BUFFER TEST (GetOneScript)","ls!")
-"  call Dret("GetOneScript")
 endfun
 
 " ---------------------------------------------------------------------
diff --git a/runtime/autoload/tar.vim b/runtime/autoload/tar.vim
index 5c4499f..ea1525c 100644
--- a/runtime/autoload/tar.vim
+++ b/runtime/autoload/tar.vim
@@ -1,9 +1,15 @@
 " tar.vim: Handles browsing tarfiles -  AUTOLOAD PORTION
-" Date:		Feb 06, 2025
+" Date:		Feb 28, 2025
 " Version:	32b  (with modifications from the Vim Project)
 " Maintainer:	This runtime file is looking for a new maintainer.
 " Former Maintainer: Charles E Campbell
 " License:	Vim License  (see vim's :help license)
+" Last Change:
+"   2024 Jan 08 by Vim Project: fix a few problems (#138331, #12637, #8109)
+"   2024 Feb 19 by Vim Project: announce adoption
+"   2024 Nov 11 by Vim Project: support permissions (#7379)
+"   2025 Feb 06 by Vim Project: add support for lz4 (#16591)
+"   2025 Feb 28 by Vim Project: add support for bzip3 (#16755)
 "
 "	Contains many ideas from Michael Toren's <tar.vim>
 "
@@ -161,6 +167,8 @@
 
    if filekind =~ "bzip2"
     exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+   elseif filekind =~ "bzip3"
+    exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
    elseif filekind =~ "XZ"
     exe "sil! r! xz -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
    elseif filekind =~ "Zstandard"
@@ -175,6 +183,8 @@
    exe "sil! r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - "
   elseif tarfile =~# '\.\(bz2\|tbz\|tb2\)$'
    exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+  elseif tarfile =~# '\.\(bz3\|tb3\)$'
+   exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
   elseif tarfile =~# '\.\(lzma\|tlz\)$'
    exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
   elseif tarfile =~# '\.\(xz\|txz\)$'
@@ -316,6 +326,9 @@
   if  fname =~ '\.bz2$' && executable("bzcat")
    let decmp= "|bzcat"
    let doro = 1
+  elseif  fname =~ '\.bz3$' && executable("bz3cat")
+   let decmp= "|bz3cat"
+   let doro = 1
   elseif      fname =~ '\.t\=gz$'  && executable("zcat")
    let decmp= "|zcat"
    let doro = 1
@@ -334,7 +347,7 @@
   else
    let decmp=""
    let doro = 0
-   if fname =~ '\.bz2$\|\.gz$\|\.lzma$\|\.xz$\|\.zip$\|\.Z$'
+   if fname =~ '\.bz2$\|\.bz3$\|\.gz$\|\.lzma$\|\.xz$\|\.zip$\|\.Z$'
     setlocal bin
    endif
   endif
@@ -348,6 +361,9 @@
   if tarfile =~# '\.bz2$'
    exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
    exe "read ".fname
+  if tarfile =~# '\.bz3$'
+   exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+   exe "read ".fname
   elseif tarfile =~# '\.\(gz\)$'
    exe "sil! r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
    exe "read ".fname
@@ -360,6 +376,9 @@
    if filekind =~ "bzip2"
     exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
     exe "read ".fname
+   elseif filekind =~ "bzip3"
+    exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+    exe "read ".fname
    elseif filekind =~ "XZ"
     exe "sil! r! xz -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
     exe "read ".fname
@@ -446,6 +465,10 @@
    call system("bzip2 -d -- ".shellescape(tarfile,0))
    let tarfile = substitute(tarfile,'\.bz2','','e')
    let compress= "bzip2 -- ".shellescape(tarfile,0)
+  elseif tarfile =~# '\.bz3'
+   call system("bzip3 -d -- ".shellescape(tarfile,0))
+   let tarfile = substitute(tarfile,'\.bz3','','e')
+   let compress= "bzip3 -- ".shellescape(tarfile,0)
   elseif tarfile =~# '\.gz'
    call system("gzip -d -- ".shellescape(tarfile,0))
    let tarfile = substitute(tarfile,'\.gz','','e')
@@ -638,6 +661,15 @@
     echo "***note*** successfully extracted ".fname
    endif
 
+  elseif filereadable(tarbase.".tar.bz3")
+   let extractcmd= substitute(extractcmd,"-","-j","")
+   call system(extractcmd." ".shellescape(tarbase).".tar.bz3 ".shellescape(fname))
+   if v:shell_error != 0
+    echohl Error | echo "***error*** ".extractcmd."j ".tarbase.".tar.bz3 ".fname.": failed!" | echohl NONE
+   else
+    echo "***note*** successfully extracted ".fname
+   endif
+
   elseif filereadable(tarbase.".txz")
    let extractcmd= substitute(extractcmd,"-","-J","")
    call system(extractcmd." ".shellescape(tarbase).".txz ".shellescape(fname))
diff --git a/runtime/autoload/vimball.vim b/runtime/autoload/vimball.vim
index 774b798..6456984 100644
--- a/runtime/autoload/vimball.vim
+++ b/runtime/autoload/vimball.vim
@@ -2,8 +2,10 @@
 " Maintainer: This runtime file is looking for a new maintainer.
 " Original Author:	Charles E. Campbell
 " Date:			Apr 11, 2016
-" Version:	37
+" Version:	37 (with modifications from the Vim Project)
 " GetLatestVimScripts: 1502 1 :AutoInstall: vimball.vim
+"  Last Change:
+"   2025 Feb 28 by Vim Project: add support for bzip3 (#16755)
 " Copyright: (c) 2004-2011 by Charles E. Campbell
 "            The VIM LICENSE applies to Vimball.vim, and Vimball.txt
 "            (see |copyright|) except use "Vimball" instead of "Vim".
@@ -530,6 +532,26 @@
    exe "e ".escape(fname,' \')
    if a:0 == 0| call vimball#ShowMesg(s:USAGE,"Source this file to extract it! (:so %)") | endif
 
+  elseif expand("%") =~ '.*\.bz3' && executable("bunzip3")
+   " handle *.bz3 with bunzip3
+   silent exe "!bunzip3 ".shellescape(a:fname)
+   if v:shell_error != 0
+	call vimball#ShowMesg(s:WARNING,"(vimball#Decompress) bunzip3 may have failed with <".a:fname.">")
+   endif
+   let fname= substitute(a:fname,'\.bz3$','','')
+   exe "e ".escape(fname,' \')
+   if a:0 == 0| call vimball#ShowMesg(s:USAGE,"Source this file to extract it! (:so %)") | endif
+
+  elseif expand("%") =~ '.*\.bz3' && executable("bzip3")
+   " handle *.bz3 with bzip3 -d
+   silent exe "!bzip3 -d ".shellescape(a:fname)
+   if v:shell_error != 0
+	call vimball#ShowMesg(s:WARNING,'(vimball#Decompress) "bzip3 -d" may have failed with <'.a:fname.">")
+   endif
+   let fname= substitute(a:fname,'\.bz3$','','')
+   exe "e ".escape(fname,' \')
+   if a:0 == 0| call vimball#ShowMesg(s:USAGE,"Source this file to extract it! (:so %)") | endif
+
   elseif expand("%") =~ '.*\.zip' && executable("unzip")
    " handle *.zip with unzip
    silent exe "!unzip ".shellescape(a:fname)