1# Account Subsystem ChangeLog
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3## cl.account_os_account.1 Expansion of Distributed Account Nickname and Profile Picture Specifications
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5The existing distributed account nickname and profile picture specifications cannot meet requirements in scenarios where the nickname is long and profile picture is large.
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7Therefore, the distributed account nickname and profile picture specifications are expanded.
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9**Change Impacts**
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11The API change is forward compatible. Applications developed based on earlier versions can use the APIs in accordance with the new specifications, without affecting the original logic.
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13**Key API/Component Changes**
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15Before change:
16  - The nickname cannot exceed 20 characters, and the profile picture size cannot exceed 3 MB.
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18After change:
19  - The nickname cannot exceed 1024 characters, and the profile picture size cannot exceed 10 MB.
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