After upgrading to FC29, I noticed that several cron jobs were not running.  In checking the journal I found:

Nov 03 23:51:32 zzz.com crond[4261]: (CRON) STARTUP (1.5.2)
Nov 03 23:51:32 zzz.com crond[4261]: (CRON) INFO (RANDOM_DELAY will be scaled with factor 56% if used.)
Nov 03 23:51:32 zzz.com crond[4261]: ((null)) Unauthorized SELinux context=system_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 file_context=unconfined_u:object_r:system_cron_spool_t:s0 (/etc/cron.d/suncron)
Nov 03 23:51:32 zzz.com crond[4261]: (root) FAILED (loading cron table)
Nov 03 23:51:32 zzz.com crond[4261]: ((null)) Unauthorized SELinux context=system_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 file_context=unconfined_u:object_r:system_cron_spool_t:s0 (/etc/cron.d/clamav-update)
Nov 03 23:51:32 zzz.com crond[4261]: (root) FAILED (loading cron table)
Nov 03 23:51:32 zzz.com crond[4261]: ((null)) Unauthorized SELinux context=system_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 file_context=unconfined_u:object_r:system_cron_spool_t:s0 (/etc/cron.d/0hourly)
Nov 03 23:51:32 zzz.com crond[4261]: (root) FAILED (loading cron table)
Nov 03 23:51:32 zzz.com crond[4261]: ((null)) Unauthorized SELinux context=system_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 file_context=unconfined_u:object_r:system_cron_spool_t:s0 (/etc/cron.d/raid-check)
Nov 03 23:51:32 zzz.com crond[4261]: (root) FAILED (loading cron table)

crontab and cron.d are labeled as: unconfined_u:object_r:system_cron_spool_t:s0

However, I noticed that the cron.daily, weeekly, monthly files were labeled as:

system_u:object_r:bin_t:s0

So as I workaround, I relabeled crontab and cron.d contents and then crond succeeded.

This needs to be reconciled as to what the files should be labeled and what SELinux expects.