[tao-announce] ACE 7.0.3 and TAO 3.0.3 available for download!

Johnny Willemsen jwillemsen at remedy.nl
Wed Aug 4 02:56:08 CDT 2021

Hi all,

Once again, thanks to the efforts of many developers, testers, and
users, we are pleased to announce the micro release of ACE 7.0.3 and TAO
3.0.3 which is available from the usual download location at:


under the heading "Latest Minor Release".

Or from the github release page at:


The doxygen documentation for this release is also available.  In
addition to the packages combined of sources and generate makefiles,
this release provides source-only packages for developers who use MPC to
generate their own makefiles.

We encourage you to download the new release, use it with your
applications, and let us know if you encounter any problems. Please use the:


so that we have the proper version/platform/compiler/options you're
using to report problems.

Overviews of our recent changes are available at:

The overall success rates for the test results gathered from all our
daily builds is 98% for the ACE tests and 98% for the TAO tests.

Please see:


for a summary of these tests.  As always, we appreciate your help in
resolving any remaining problems. Please see:


for an overview of our bug fixing policies.  Moreover, please see:


for information commercial support services available from various

The following is a list of key changes since the last major release.
Please refer to the corresponding ChangeLog files, NEWS files, or github
issues for more details on the problem and the nature of fixes applied.

Changes to ACE

. The macro ACE_HAS_WIN32_STRUCTURAL_EXCEPTIONS has been renamed to
ACE_HAS_WIN32_STRUCTURED_EXCEPTIONS, update your code accordingly

. MinGW 2 has been deprecated

. ACE CDR supports (u)int8

. Use more C++11 features including using std alternatives

. Various cleanup

. Fix SocketConnect::ip_check() Concurrency and Too-Early Request Issues
for Windows

. Make install: use relative links in prefix/share

Changes to TAO

. Support for IDL 4 explicitly-named integer types like `int64` in
TAO_IDL. Support for `uint8` and `int8` is limited in TAO. Unlike the
larger types, these are new distinct types that are not aliases of
existing types covered by the CORBA specification

. Added the `tao/idl_features.h` header file for getting the IDL
features supported by TAO_IDL. See the file for example usage

. TAO_IDL: Fix empty case evaluation on unions with enum discriminators

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