When upgrading to 5.10, the new and improved transcode system is automatically used. The old transcode system can still be used in 5.10, but it is considered deprecated and will not be deprecated available in later future releases.
If you are a consultant, please see DC 5.10 Formats - Migration for more information on how the migration to the new transcode system is handled and things to be aware of in relation to this migration.
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