Page History

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Bump up the version number into v1.x branch if the new version is branched off from v1.x. Bump up the version number into master branch if the new version is branched off from master. Here is a previous version update PR (https://github.com/apache/incubator-mxnet/pull/19196). Please update this wiki with latest version update PR to stay current.
make sure no broken/non-existing links are added to the master/v1.x branch. 

Check with the website lead and docs lead that all necessary updates have made it into the release branch

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