diff --git a/runtime/plugin/gzip.vim b/runtime/plugin/gzip.vim
index b431b5b..9138844 100644
--- a/runtime/plugin/gzip.vim
+++ b/runtime/plugin/gzip.vim
@@ -1,6 +1,6 @@
 " Vim plugin for editing compressed files.
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2025 Feb 06
+" Last Change:	2025 Feb 28
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Exit quickly when:
@@ -20,11 +20,12 @@
   " The functions are defined in autoload/gzip.vim.
   "
   " Set binary mode before reading the file.
-  autocmd BufReadPre,FileReadPre	*.gz,*.bz2,*.Z,*.lzma,*.xz,*.lz,*.zst,*.br,*.lzo,*.lz4 setlocal bin
+  autocmd BufReadPre,FileReadPre	*.gz,*.bz2,*.bz3,*.Z,*.lzma,*.xz,*.lz,*.zst,*.br,*.lzo,*.lz4 setlocal bin
 
   " Use "gzip -d" and similar commands, gunzip isn't always available.
   autocmd BufReadPost,FileReadPost	*.br call gzip#read("brotli -d --rm")
   autocmd BufReadPost,FileReadPost	*.bz2 call gzip#read("bzip2 -d")
+  autocmd BufReadPost,FileReadPost	*.bz3 call gzip#read("bzip3 -d")
   autocmd BufReadPost,FileReadPost	*.gz  call gzip#read("gzip -dn")
   autocmd BufReadPost,FileReadPost	*.lz  call gzip#read("lzip -d")
   autocmd BufReadPost,FileReadPost	*.lz4 call gzip#read("lz4 -d -q --rm")
@@ -36,6 +37,7 @@
 
   autocmd BufWritePost,FileWritePost	*.br  call gzip#write("brotli --rm")
   autocmd BufWritePost,FileWritePost	*.bz2 call gzip#write("bzip2")
+  autocmd BufWritePost,FileWritePost	*.bz3 call gzip#write("bzip3")
   autocmd BufWritePost,FileWritePost	*.gz  call gzip#write("gzip")
   autocmd BufWritePost,FileWritePost	*.lz  call gzip#write("lzip")
   autocmd BufWritePost,FileWritePost	*.lz4  call gzip#write("lz4 -q --rm")
@@ -47,6 +49,7 @@
 
   autocmd FileAppendPre			*.br call gzip#appre("brotli -d --rm")
   autocmd FileAppendPre			*.bz2 call gzip#appre("bzip2 -d")
+  autocmd FileAppendPre			*.bz3 call gzip#appre("bzip3 -d")
   autocmd FileAppendPre			*.gz  call gzip#appre("gzip -dn")
   autocmd FileAppendPre			*.lz   call gzip#appre("lzip -d")
   autocmd FileAppendPre			*.lz4 call gzip#appre("lz4 -d -q --rm")
@@ -58,6 +61,7 @@
 
   autocmd FileAppendPost		*.br call gzip#write("brotli --rm")
   autocmd FileAppendPost		*.bz2 call gzip#write("bzip2")
+  autocmd FileAppendPost		*.bz3 call gzip#write("bzip3")
   autocmd FileAppendPost		*.gz  call gzip#write("gzip")
   autocmd FileAppendPost		*.lz call gzip#write("lzip")
   autocmd FileAppendPost		*.lz4 call gzip#write("lz4 --rm")
diff --git a/runtime/plugin/tarPlugin.vim b/runtime/plugin/tarPlugin.vim
index 68d968a..825b7ae 100644
--- a/runtime/plugin/tarPlugin.vim
+++ b/runtime/plugin/tarPlugin.vim
@@ -38,6 +38,7 @@
   au BufReadCmd   *.lrp			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar			call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.bz2		call tar#Browse(expand("<amatch>"))
+  au BufReadCmd   *.tar.bz3		call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.gz		call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.lz4		call tar#Browse(expand("<amatch>"))
   au BufReadCmd   *.tar.lzma		call tar#Browse(expand("<amatch>"))
diff --git a/runtime/plugin/vimballPlugin.vim b/runtime/plugin/vimballPlugin.vim
index e78805f..fdae3d5 100644
--- a/runtime/plugin/vimballPlugin.vim
+++ b/runtime/plugin/vimballPlugin.vim
@@ -29,17 +29,17 @@
 com! -nargs=* -complete=dir  RmVimball						call vimball#SaveSettings()|call vimball#RmVimball(<f-args>)|call vimball#RestoreSettings()
 augroup Vimball
  au!
- au BufEnter  *.vba,*.vba.gz,*.vba.bz2,*.vba.zip,*.vba.xz
+ au BufEnter  *.vba,*.vba.gz,*.vba.bz2,*.vba.bz3,*.vba.zip,*.vba.xz
 	   \ if getline(1) =~ '^" Vimball Archiver' |
 	   \  setlocal bt=nofile fmr=[[[,]]] fdm=marker|if &ff != 'unix'|setlocal ma ff=unix noma|endif|if line('$') > 1|call vimball#ShowMesg(0, "Source this file to extract it! (:so %)")|endif |
 	   \ endif
- au SourceCmd *.vba.gz,*.vba.bz2,*.vba.zip,*.vba.xz			let s:origfile=expand("%")|if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if s:origfile!=expand("<afile>")|close|endif
+ au SourceCmd *.vba.gz,*.vba.bz2,*.vba.bz3,*.vba.zip,*.vba.xz			let s:origfile=expand("%")|if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if s:origfile!=expand("<afile>")|close|endif
  au SourceCmd *.vba											if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|call vimball#Vimball(1)|close|else|call vimball#Vimball(1)|endif
- au BufEnter  *.vmb,*.vmb.gz,*.vmb.bz2,*.vmb.zip,*.vmb.xz
+ au BufEnter  *.vmb,*.vmb.gz,*.vmb.bz2,*.vmb.bz3,*.vmb.zip,*.vmb.xz
 	   \ if getline(1) =~ '^" Vimball Archiver' |
 	   \  setlocal bt=nofile fmr=[[[,]]] fdm=marker|if &ff != 'unix'|setlocal ma ff=unix noma|endif|if line('$') > 1|call vimball#ShowMesg(0,"Source this file to extract it! (:so %)")|endif |
 	   \ endif
- au SourceCmd *.vmb.gz,*.vmb.bz2,*.vmb.zip,*.vmb.xz			let s:origfile=expand("%")|if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if s:origfile!=expand("<afile>")|close|endif
+ au SourceCmd *.vmb.gz,*.vmb.bz2,*.vmb.bz3,*.vmb.zip,*.vmb.xz			let s:origfile=expand("%")|if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if s:origfile!=expand("<afile>")|close|endif
  au SourceCmd *.vmb											if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|call vimball#Vimball(1)|close|else|call vimball#Vimball(1)|endif
 augroup END