Since several people mailed me yesterday and this morning about Release Update 19.31 been not available for download from My Oracle Support, here is a the explanation about why RU 19.31 has been put on hold and will be available soon again. What has happened? We released a MOS Note with detailed information: (KB888427) Oracle Database 19.31 Patch Hold Due to ORA-00600 Errors on Exadata 25.2…