Trying to upgrade from 3.2.0 to 3.2.1 via CPAN produces many failed tests on my
system:

t/spamc_optC................    Not found: reported spam = Message successfully
reported/revoked
# Failed test 2 in t/SATest.pm at line 635
Output can be examined in: log/d.spamc_optC/out.1
t/spamc_optC................NOK 2/9     Not found: revoked ham = Message
successfully reported/revoked
# Failed test 4 in t/SATest.pm at line 635 fail #2
Output can be examined in: log/d.spamc_optC/out.1 log/d.spamc_optC/out.3
t/spamc_optC................NOK 4/9     Not found: failed to report spam =
Unable to report/revoke message
# Failed test 6 in t/SATest.pm at line 635 fail #3
Output can be examined in: log/d.spamc_optC/out.1 log/d.spamc_optC/out.3
log/d.spamc_optC/out.5
t/spamc_optC................NOK 6/9     Not found: failed to revoke ham = Unable
to report/revoke message
# Failed test 8 in t/SATest.pm at line 635 fail #4
Output can be examined in: log/d.spamc_optC/out.1 log/d.spamc_optC/out.3
log/d.spamc_optC/out.5 log/d.spamc_optC/out.7
t/spamc_optC................FAILED tests 2, 4, 6, 8
        Failed 4/9 tests, 55.56% okay
t/spamc_optL................# Failed test 1 in t/spamc_optL.t at line 20
        Not found: learned spam = Message successfully un/learned
# Failed test 2 in t/SATest.pm at line 635
Output can be examined in:
t/spamc_optL................NOK 2/16# Failed test 3 in t/spamc_optL.t at line 24
        Not found: already learned spam = Message was already un/learned
# Failed test 4 in t/SATest.pm at line 635 fail #2
Output can be examined in:
t/spamc_optL................NOK 4/16ERROR: Bayes dump returned an error, please
re-run with -D for more information
# Failed test 5 in t/spamc_optL.t at line 28
        Not found: spam in database = 1 0  non-token data: nspam
# Failed test 6 in t/SATest.pm at line 635 fail #3
Output can be examined in:
t/spamc_optL................NOK 6/16# Failed test 7 in t/spamc_optL.t at line 32
        Not found: forget spam = Message successfully un/learned
# Failed test 8 in t/SATest.pm at line 635 fail #4
Output can be examined in:
t/spamc_optL................NOK 8/16# Failed test 9 in t/spamc_optL.t at line 36
        Not found: learned ham = Message successfully un/learned
# Failed test 10 in t/SATest.pm at line 635 fail #5
Output can be examined in:
t/spamc_optL................NOK 10/16# Failed test 11 in t/spamc_optL.t at line 40
        Not found: already learned ham = Message was already un/learned
# Failed test 12 in t/SATest.pm at line 635 fail #6
Output can be examined in:
t/spamc_optL................NOK 12/16ERROR: Bayes dump returned an error, please
re-run with -D for more information
# Failed test 13 in t/spamc_optL.t at line 44
        Not found: ham in database = 1 0  non-token data: nham
# Failed test 14 in t/SATest.pm at line 635 fail #7
Output can be examined in:
t/spamc_optL................NOK 14/16# Failed test 15 in t/spamc_optL.t at line 48
        Not found: learned ham = Message successfully un/learned
# Failed test 16 in t/SATest.pm at line 635 fail #8
Output can be examined in:
t/spamc_optL................FAILED tests 1-16
        Failed 16/16 tests, 0.00% okay
t/spamc_y...................ok
t/spamc_z...................ok
t/spamd.....................ok
t/spamd_allow_user_rules....ok 3/5      Not found: myfoo =  1.0 MYFOO
# Failed test 4 in t/SATest.pm at line 635
Output can be examined in: log/d.spamd_allow_user_rules/out.2
log/d.spamd_allow_user_rules/spamd.err.1
t/spamd_allow_user_rules....FAILED test 4
        Failed 1/5 tests, 80.00% okay

Failed Test                Stat Wstat Total Fail  List of Failed
-------------------------------------------------------------------------------
t/spamc_optC.t                            9    4  2 4 6 8
t/spamc_optL.t                           16   16  1-16
t/spamd_allow_user_rules.t                5    1  4
t/spamd_plugin.t                          6    3  2 4 6
23 tests skipped.
Failed 4/129 test scripts. 24/1924 subtests failed.
Files=129, Tests=1924, 1189 wallclock secs (309.80 cusr + 19.24 csys = 329.04 CPU)
Failed 4/129 test programs. 24/1924 subtests failed.
make: *** [test_dynamic] Error 255