Ti Chi Robot

In response to a cherrypick label: new pull request created to branch `release-5.4`: #19201.

In response to a cherrypick label: new pull request created to branch `release-6.1`: #19202.

In response to a cherrypick label: new pull request created to branch `release-6.5`: #19203.

In response to a cherrypick label: new pull request created to branch `release-8.2`: #19204.

In response to a cherrypick label: new pull request created to branch `release-8.5`: #21495.

In response to a cherrypick label: new pull request created to branch `release-8.1`: #20131. But this PR has conflicts, please resolve them!

In response to a cherrypick label: new pull request created to branch `release-8.5`: #20132.

In response to a cherrypick label: new pull request created to branch `release-8.2`: #18191.

In response to a cherrypick label: new pull request created to branch `release-8.5`: #21308.

In response to a cherrypick label: new pull request created to branch `release-8.1`: #18579. But this PR has conflicts, please resolve them!