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Diffstat (limited to 'src/Announce.txt')
| -rwxr-xr-x | src/Announce.txt | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/Announce.txt b/src/Announce.txt index 425aaa1..321496d 100755 --- a/src/Announce.txt +++ b/src/Announce.txt @@ -18,12 +18,43 @@ So that everyone using SCons can help each other learn how to use it more effectively, please go to http://scons.org/lists.html#users to sign up for the scons-users mailing list. -RELEASE 3.1.1 - Mon, 07 Aug 2019 20:09:12 -0500 +RELEASE 3.1.2 - Mon, 17 Dec 2019 02:06:27 +0000 Please consult the RELEASE.txt file for a summary of changes since the last release and consult the CHANGES.txt file for complete a list of changes since last release. This announcement highlights only the important changes. + + NOTE: The 4.0.0 Release of SCons will drop Python 2.7 Support + + Please note the following important changes since release 3.1.1: + - Added debug option "action_timestamps" which outputs to stdout the absolute start and end time for each target. + - Update Command() function to accept target_scanner, source_factory, and target_factory arguments. + This makes Command act more like a one-off builder. + - Added support for "-imacros" to ParseFlags + - Avoid crash with UnicodeDecodeError on Python 3 when a Latex log file in + non-UTF-8 encoding (e.g. containing umlauts in Latin-1 encoding when + the fontenc package is included with \usepackage[T1]{fontenc}) is read. + - Improved threading performance by ensuring NodeInfo is shared + across threads. Results in ~13% improvement for parallel builds + (-j# > 1) with many shared nodes. + - Improve performance of Entry.disambiguate() by making check for + most common case first, preventing unnecessary IO. + - Improved DAG walk performance by reducing unnecessary work when + there are no un-visited children. + - Turn previously deprecated debug options into failures: + --debug=tree, --debug=dtree, --debug=stree, --debug=nomemoizer. + - Experimental New Feature: Enable caching MSVC configuration + If SCONS_CACHE_MSVC_CONFIG shell environment variable is set, + SCons will cache the results of past calls to vcvarsall.bat to + a file; integrates with existing memoizing of such vars. + On vs2019 saves 5+ seconds per SCons invocation, which really + helps test suite runs. + - Remove deprecated SourceSignatures, TargetSignatures + - Remove deprecated Builder keywords: overrides and scanner + - Remove deprecated env.Copy + - Remove deprecated BuildDir plus SConscript keyword build_dir + Please note the following important changes since release 3.0.4: - Change the default for AppendENVPath to delete_existing=0, so path order will not be changed, unless explicitly set (Issue #3276) |