[GitHub] [beam] boyuanzz commented on a change in pull request #13227: [BEAM-10480] Add splittable dofn as the recommended way of building connectors.

[GitBox <gi...@apache.org>]

boyuanzz commented on a change in pull request #13227:
URL: https://github.com/apache/beam/pull/13227#discussion_r528964281



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File path: website/www/site/content/en/documentation/io/developing-io-overview.md
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@@ -46,33 +46,32 @@ are the recommended steps to get started:
 For **bounded (batch) sources**, there are currently two options for creating a
 Beam source:
 
+1. Use `Splittable DoFn`.
+
 1. Use `ParDo` and `GroupByKey`.
 
-1. Use the `Source` interface and extend the `BoundedSource` abstract subclass.
 
-`ParDo` is the recommended option, as implementing a `Source` can be tricky. See
-[When to use the Source interface](#when-to-use-source) for a list of some use
-cases where you might want to use a `Source` (such as
-[dynamic work rebalancing](/blog/2016/05/18/splitAtFraction-method.html)).
+`Splittable DoFn` is the recommended option, as it's the new source framework for both bounded and

Review comment:
       `Most recent` sounds good. I'm curious why `new` is not perferred?




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