The following list details the changes to specific options and variables within MySQL 8.4.
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admin-sslRemoved in version 8.4.0
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authentication_fido_rp_idRemoved in version 8.4.0
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avoid_temporal_upgradeRemoved in version 8.4.0
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binlog_transaction_dependency_trackingRemoved in version 8.4.0
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check-table-functionsIntroduced in version 8.4.5
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Com_change_masterRemoved in version 8.4.0
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Com_show_master_statusRemoved in version 8.4.0
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Com_show_slave_hostsRemoved in version 8.4.0
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Com_show_slave_statusRemoved in version 8.4.0
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Com_slave_startRemoved in version 8.4.0
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Com_slave_stopRemoved in version 8.4.0
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default_authentication_pluginRemoved in version 8.4.0
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group_replication_allow_local_lower_version_joinDeprecated in version 8.4.0
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group_replication_preemptive_garbage_collectionIntroduced in version 8.4.0
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group_replication_preemptive_garbage_collection_rows_thresholdIntroduced in version 8.4.0
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group_replication_recovery_complete_atRemoved in version 8.4.0
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have_opensslRemoved in version 8.4.0
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have_sslRemoved in version 8.4.0
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keyring_encrypted_file_dataRemoved in version 8.4.0
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keyring_encrypted_file_passwordRemoved in version 8.4.0
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keyring_file_dataRemoved in version 8.4.0
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keyring-migration-from-componentIntroduced in version 8.4.0
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keyring_oci_ca_certificateRemoved in version 8.4.0
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keyring_oci_compartmentRemoved in version 8.4.0
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keyring_oci_encryption_endpointRemoved in version 8.4.0
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keyring_oci_key_fileRemoved in version 8.4.0
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keyring_oci_key_fingerprintRemoved in version 8.4.0
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keyring_oci_management_endpointRemoved in version 8.4.0
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keyring_oci_master_keyRemoved in version 8.4.0
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keyring_oci_secrets_endpointRemoved in version 8.4.0
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keyring_oci_tenancyRemoved in version 8.4.0
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keyring_oci_userRemoved in version 8.4.0
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keyring_oci_vaults_endpointRemoved in version 8.4.0
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keyring_oci_virtual_vaultRemoved in version 8.4.0
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languageRemoved in version 8.4.0
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mysql-native-passwordIntroduced in version 8.4.0
Deprecated in version 8.4.0
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ndb_log_cache_sizeIntroduced in version 8.4.3-ndb-8.4.3
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Ndb_schema_participant_countIntroduced in version 8.4.5
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newRemoved in version 8.4.0
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no-dd-upgradeRemoved in version 8.4.0
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oldRemoved in version 8.4.0
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restrict_fk_on_non_standard_keyIntroduced in version 8.4.0
Deprecated in version 8.4.0
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show_old_temporalsRemoved in version 8.4.0
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skip-sslRemoved in version 8.4.0
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sslRemoved in version 8.4.0
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thread_pool_longrun_trx_limitIntroduced in version 8.4.0