Index: trunk/BUGS
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 General:
 
 * WHIZARD 3.0+ currently runs only with the NAGFOR 6.2 (or newer) and
   gfortran 5.1.0 (or newer) Fortran compilers as well as Intel ifort
   19.0.2 (or newer). gfortran 6.5 has a severe regression, and cannot
   be used.
 
   [See the file EXTENSIONS for the list of Fortran 2003/2008/2018 
    features that the compiler must support.]
 
 * WHIZARD 2.7+ incorporates all features from WHIZARD 1, making the
   legacy branch obsolete now.
   
 * Please report bugs and problems or performance issues
   at our Launchpad site:
   https://launchpad.net/whizard
   or send an email to our support email address:
   <whizard@desy.de>
 
 Known (recent) bugs:
 
+* WHIZARD 2 does not support Pythia 8.301+. If you want to use these
+  versions of Pythia 8 please use WHIZARD 3. Note that Pythia 8.301-2 and
+  contain a bug in their LHA interface, so you have to use Pythia 8.303+.
+
 * WHIZARD 2.8.3 exhibits a bug for UFO models containing Majorana fermions:
   no matrix element is generated. WHIZARD 2.8.4 solves this problem. There
   are still some wrong sign in interference terms for very complicated
   processes.
 
 * WHIZARD 2.8.1 and earlier does not compile with OCaml versions 4.08.0
   and newer due to a deletion of a deprecated feature in the OCaml language.
   This is fixed in 2.8.2+ of WHIZARD. For older WHIZARD versions, please
   downgrade your OCaml version to anything between versions 4.02.x and 4.07.x.
 
 * MPI version of WHIZARD: version 2.6.3 could produce the MPI-parallelized
   version only from the svn repository, and not from the release tarball.
   This was corrected for version 2.6.4.
 
 * In version 2.6.0 the top threshold calculations do not work due to a
   regression. This is fixed in 2.6.1. In version 2.6.1 all processes
   with BSM resonances having PDG codes with 7 digits are broken. This is
   fixed in version 2.6.2.
 
 Compilers and OS specialties:
 
 * MAC OS X Darwin >= 10.11:
   The security measures of the new Darwin systems do not allow e.g.
   environment variables passed to subprocesses. This does not change
   anything for the installed WHIZARD, but the testsuite (make check)
   will not work before make install has been executed. make distcheck 
   will not work on El Capitan. There is also the option to disable
   the System Integrity Protocol (SIP) of modern OSX by booting in
   Recovery Mode, open a terminal and type 'csrutil disable'. However, we
   do not recommend to do so.
 
 Manual:
 
 * For WHIZARD 2.8, the manual is still quite sparse. We are working on
   that. Regular updates independent from the subreleases can be found
   on the Hepforge webpage:
   https://whizard.hepforge.org/manual.pdf
 
 
 
 
 Old bugs in old versions:
 
 * In version 2.3.0 there is a regression which produces invalid O'Mega
   matrix element code for SUSY processes with gluino propagators. This
   is fixed in 2.3.1+.
 
 * With gfortran 4.9.1, the auto_components feature (incl. the smtest_5
   self test) does not work in v2.2.2 due to a regression in that compiler.
   This is fixed both in v2.2.3+ of WHIZARD as well as in v4.9.2+ of
   gfortran.
 
 * gfortran 4.9.2 contains several bugs/regressions from GNU's ongoing 
   efforts to implement the Fortran 2008 status. This can lead to
   problems in some of WHIZARD's release versions, though most versions
   include workarounds. Please try to use at least minor version 3 of
   the 4.9.X series.