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Object Storage Service:Version 1.91.7

Last Updated:Mar 20, 2026

ossfs version 1.91.7 adds OS support for Ubuntu 24.04 and Rocky Linux 9, makes enhanced metadata mode the default authentication method when using a RAM role on ECS, and improves memory efficiency in direct read mode.

New features

  • OS support: Ubuntu 24.04 and Rocky Linux 9 are now supported.

  • Enhanced metadata mode by default: When you mount ossfs on an ECS instance using a RAM role, ossfs now uses enhanced metadata mode by default. You can use the -o disable_imdsv2 option to revert to non-enhanced authentication mode.

Optimizations

  • Improved the prompt message for OSS V4 signatures displayed after mounting.

  • Reduced memory usage in direct read mode.