kennknowles opened a new pull request #14268: URL: https://github.com/apache/beam/pull/14268
See [dev@ thread](https://lists.apache.org/thread.html/r99d0efa70f83815e17a1dbfb94effd16b38176046ac8ffbfe371c895%40%3Cdev.beam.apache.org%3E) where consensus is that the existence of this method is a _bug_ and it should be eliminated. See next [user@ thread](https://lists.apache.org/thread.html/r7220ad2732e3d93e23e1f8af8051c5f6f6d72efdf556a467b9afb9fc%40%3Cuser.beam.apache.org%3E) where no one responded. Perhaps because it is complex and esoteric. Important points to consider about this change, worth repeating in the PR: - the method is annotated "experimental" but it has been around since the very early days of Beam so we should ignore that - it was added as response to a _real user problem_: sliding windows + `EARLIEST` timestamp combiner delays downstream aggregations a lot - but when that problem occurred, timestamp combiner `EARLIEST` was the default; with the change to how lateness is defined we changed the default to `END_OF_WINDOW` ------------------------ Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily: - [x] [**Choose reviewer(s)**](https://beam.apache.org/contribute/#make-your-change) and mention them in a comment (`R: @username`). - [x] Format the pull request title like `[BEAM-XXX] Fixes bug in ApproximateQuantiles`, where you replace `BEAM-XXX` with the appropriate JIRA issue, if applicable. This will automatically link the pull request to the issue. - [x] Update `CHANGES.md` with noteworthy changes. - [x] If this contribution is large, please file an Apache [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.pdf). See the [Contributor Guide](https://beam.apache.org/contribute) for more tips on [how to make review process smoother](https://beam.apache.org/contribute/#make-reviewers-job-easier). 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