Content: To improve our services, we plan to perform a hot upgrade on the log management feature of Alibaba Cloud OSS in all regions from 00:00 (UTC+8) September 1, 2021 - 00:00 (UTC+8) September 8, 2021. This upgrade adds the CommitTransition, ExpireObject API to the operation field of each log. Please make appropriate changes to your services to ensure service stability.
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