v2.6.6

IMPROVEMENTS

• Add --replicated-copy-to-detached option to restore command, it allows faster restore on multiple replicas, second and follow replicas will handle ATTACH_PART restore events, fix 1104
• Add CLICKHOUSE_SKIP_DISKS config option, to allow skip backup some disk like object disks, fix 908
• Add simple check free size before disk download, to avoid 100% disk space usage, fix 878
• Add --restore-schema-as-attach CLI parameter and POST /backup/restore/{name}, fix 868
• Add S3_RETRY_MODE with standard and adaptive, fix 1097
• Add server_side_encryption_kms_bucket_key_enabled support for backup/restore s3 object disks, fix 1092
• Add AZBLOB_ASSUME_CONTAINER_EXISTS config option, fix 1094, thanks @atykhyy
• Improve Azure authentication mechanism, fix 1047, thanks @dnovvak
• Add option --skip-projections to create, upload, restore commands, with table pattern to allow make backup
  without projection, restore supported only in clickhouse-server 24.3+, fix 861
• Remove S3_PART_SIZE and AZBLOB_BUFFER_SIZE parameter from configuration and significant decrease memory usage
  during upload and download, fix 854
• Add --configs-only and --rbac-only options to upload and download command, fix 1042
• Add support \ and / special characters in table name and database name, fix 1091
• switch to golang-1.24

BUG FIXES

• backblaze s3 provider support only STANDARD storage class, fix 1086
• fix --restore-database-mapping with special characters in source table, fix reopened 820, thanks @IvaskevychYuriy
• add workaround for metdata_path field change behavior in 25.1+, look details in ClickHouse/ClickHouse#76546, fix 1093
• add e2e tests for AZBLOB_SAS, fix 1060, fix 313
• add alibaba/oss/aliyuncs worked config, fix 877,
  fix 505
• add test for COS, fix 1053
• fix AS WITH x AS corner case for restore_schema_on_cluster option, fix 1075