v1.5.2

Release 1.5.2

• General
  • Releases now provide a stable source archive attachment
  • Documentation improvements
• Build system
  • Added support for MSVC
  • Added support for macOS 15 and dropped support for macOS 13
  • Added support for Fedora 42 and dropped support for Fedora 41
  • Added support for Bazel
  • Upgraded minimum CMake version to 3.10
  • Installed lcm-sources.jar for IDE Javadoc integration
• Python
  • Added additional Windows wheels (before there was a single MSYS2-based wheel)
  • Added Python 3.14 wheels and dropped Python 3.7 wheels
  • Added ARMv7 wheels (previous release had these wheels retroactively added)
  • Switched CMake from deprecated FindPythonInterp to new FindPython
  • Removed uses of deprecated distutils module
• liblcm
  • Now only public symbols are exported
  • Added LCM_C_NAMESPACE config option to change the C ABI symbol prefix
  • Refreshed the channel_port_mapping lcmtypes codegen
• lcm-gen
  • Unused variable warning avoided for empty messages
• lcm-spy
  • Added support for running on Windows
  • Improved logic to find jchart2d
• lcm-logplayer-gui
  • Added support for running on Windows

v1.5.1

Release 1.5.1

• General
  • Various bug fixes
    • Fixed a bug where -l option didn't work in lcm-logger
    • Fixed a bug where not all compiler flags were being set
    • Fixed a command in the post-install instructions for linux
    • Fixed various compiler warnings
  • Added CONTRIBUTING.md
  • Added documentation for installing LCM
• Build system
  • No longer built with -Werror flags by default
  • Builds with release flags by default
  • Installed version of libchar-2d will be used if possible, rather than always building from
    source
  • Encoding no longer needs to be set in locale (e.g. the LANG environment variable) in order
    to build the Java component
  • Finding Glib with pkgconfig is now supported
  • Added a missing library for lcm-lua on Windows
  • Added meson build system support for some components
• Python
  • Minimum required version is 3.7
  • EventLog now supports a Path argument, rather than just a string
  • Added PEP-517 support (users can now pip3 install .)
  • New wheels uploaded to PyPi, which support for newer versions of Python, macOS, and musl-based
    linux (like Alpine)
  • Typing information now supported via a stub file
  • SIGINT no longer produces an exception when shutting down LCM executables installed via a
    wheel
• lcm-gen
  • Python output uses absolute (package-level) import paths where possible rather than relative
    import paths
  • More comments are included in the generated output for C, C++, Python, and Java
  • The version of lcm-gen is now included in the output
  • Python output now uses the @staticmethod decorator rather than = staticmethod()
  • Python output now exports symbols using Python's redundant alias convention
• lcm-logger
  • Added --disk-quota option

v1.5.0

Release 1.5.0

This is primarily a bugfix and maintenance release.

• General
  • Several bug fixes
  • Fixed general and deprecation warnings on recent versions of Python and Java
• Build system
  • Updated CMake to fix warnings
• Docs
  • Now built through Sphinx with a ReadTheDocs theme
  • Automatically updated and deployed via CI/CD
  • Location has moved from https://lcm-proj.github.io/ to https://lcm-proj.github.io/lcm/
• Windows support
  • Moved from supporting Visual Studio to supporting a MSYS2 MGW64 environment
• Java
  • Version 1.8 or later is now required

v1.4.0

Release 1.4.0

Significant changes:

• Build system
  • Switch to CMake
  • Add CPack support
• lcm-gen
  • Allow arrays to be sized with const values
• C
  • Add lcm_subscription_get_queue_size()
  • Standardize C/C++ code formatting with clang-format
• C++
  • Add support for some C++11 features (lambda subscribe)
  • add lcm::Subscription::getQueueSize()
• Go
  • Experimental support for golang
• Python
• Add dimensions and typenames fields for better introspection
• lcm-logger
  • flush buffers before exiting
• General
  • Lots of misc bugfixes

v1.3.1

Release 1.3.1

This is primarily a bugfix and maintenance release.

• Java
  • Fix lcm-java automake for out of source builds
• Lua
  • Add support for Lua 5.3
• Python
  • Fix python LCM code generation when a package is not specified
• General
  • Minor documentation updates

v1.3.0

Oct 28, 2015

Release 1.3.0

This is primarily a bugfix and maintenance release.

• C# / .NET
  • fix lcm-dotnet Close (closes issue #18)
• Windows
  • Add socket window size notes in documentation
  • Visual Studio build fixes, update to VS2013
  • Cygwin build fixes
• C / C++
  • Reject invalid multicast addresses
  • Use last fragment timestamp instead of first for message timestamping
  • binary search bugfix in lcm_eventlog_seek_to_timestamp()
  • API changes:
    • add FILE* LogFile::getFilePtr()
    • void LCM::unbsubscribe() -> int LCM::unsubscribe()
• Python
  • Python 3 compatibility bugfixes
  • setup.py use subprocess instead of deprecated commands package
  • EventLog.seek() use fseeko() not fseek()
• lcm-spy
  • misc bugfixes
  • fix bitshifting of signed integer types
• lcm-gen
  • add --cpp-std option for C++11 support in generated types.

v1.2.1

Release 1.2.1

This is a bugfix and maintenance release.

• Documentation updates
• lcm-spy
  • Misc bugfixes
  • Fix bug where lcm-spy did not display content of some messages (Johan
    Widen)
• Remove jchart2d jar file from INSTALLED_CLASSPATH variable

v1.2.0

Release 1.2.0

This release adds charting to lcm-spy (Andy Barry) and updates the lcm-spy GUI.
This release also marks the official migration of LCM to GitHub. The new site
is https://github.com/lcm-proj/lcm

• C / C++
  • Use select() instead of poll() in lcm_mpudpm.c
• lcm-spy
  • Add sparklines and charting (Andy Barry), via JChart2d
• Python
  • Fix setup.py
• Java
  • TCPService convert mutex to read/write lock. Reduces deadlock when
    send/receive buffers are full.
  • Make TCPService interruptible (closes googlecode issue #94)
• lcm-gen
  • Fix regression for comments appearing in various places in a type
    definition file (closes googlecode issue #97)
• misc
  • Build system cleanups
  • Add more unit tests, cleanup existing tests.
  • Documentation fixes.
• OS/X
  • reduce max packet sizes (closes googlecode issue #99)
  • fix test/cpp/Makefile

v1.1.2

This is a bugfix and maintenance release.

C / C++:

• memset struct msghdr to 0 before calling recvmsg (fixes issue #90).
• fix eventlog memory leak when errors occur.

lcm-gen:

• Apply patch from bibocc to fix lcm-gen regression (fixes issue #92).
• fix emit-cpp for the case where it needs to includ both and
  .
• Resize vector in decode after checking whether the size > 0.
• fix tokenizer regression in parsing empty comment blocks (fixes issue #93).
• Add --version flag.
• Update manpage.

v1.1.1

This is a bugfix and maintenance release.

Python:

• Fix multithreading issue

lcm-gen:

• C / C++ bindings include field comments in generated files.