Released: 2026-03-21
Bug fixes:
-
Reset disposition of
SIGCHLD, restoring normal subprocess management if bwrap was run from a process that was ignoring that signal, such as Erlang or volumeicon (#705, Joel Pelaez Jorge) -
Don't ignore
--userns 0,--userns2 0or--pidns 0if used (#731, Daniel Cazares). Note that using a fd number ≥ 3 for these purposes is still preferred, to avoid confusion with the stdin, stdout, stderr that will be inherited by the command inside the container. -
Fix grammar in an error message (#694, J. Neuschäfer)
-
Fix a broken link in the documentation (#729, Aaron Brooks)
Internal changes:
-
Enable user namespaces in Github Actions configuration, fixing a CI regression with newer Ubuntu (#728, Joel Pelaez Jorge)
-
Clarify comments (#737, Simon McVittie)
Released: 2024-10-30
Dependencies:
-
Remove the Autotools build system. Meson ≥ 0.49.0 is now required at build-time. (#625, Hugo Osvaldo Barrera)
-
For users of bash-completion, bash-completion ≥ 2.10 is recommended. With older bash-completion, bubblewrap might install completions outside its
${prefix}unless overridden with-Dbash_completion_dir=….
Enhancements:
-
New
--overlay,--tmp-overlay,--ro-overlayand--overlay-srcoptions allow creation of overlay mounts. This feature is not available when bubblewrap is installed setuid. (#412, #663; Ryan Hendrickson, William Manley, Simon McVittie) -
New
--level-prefixoption produces output that can be parsed by tools likelogger --prio-prefixandsystemd-cat --level-prefix=1(#646, Simon McVittie)
Bug fixes:
-
Handle
EINTRwhen doing I/O on files or sockets (#657, Simon McVittie) -
Don't make assumptions about alignment of socket control message data (#637, Simon McVittie)
-
Silence some Meson deprecation warnings (#647, @Sertonix)
-
Update URLs in documentation to https (#566, @TotalCaesar659)
-
Improve tests' compatibility with busybox (#627, @Sertonix)
-
Improve compatibility with Meson < 1.3.0 (#664, Simon McVittie)
Internal changes:
-
Consistently use
<stdbool.h>for booleans (#660, Simon McVittie) -
Avoid
-Wshadowcompiler warnings (#661, Simon McVittie) -
Update Github Actions configuration (#658, Simon McVittie)