+1 on doing a new patch release soon. I saw some of these issues when preparing 
the 3.0 release, and some of them are very serious.

On Tue, Jun 23, 2020 at 8:06 AM, Shivaram Venkataraman < 
shiva...@eecs.berkeley.edu > wrote:

> 
> 
> 
> +1 Thanks Yuanjian -- I think it'll be great to have a 3.0.1 release soon.
> 
> 
> 
> 
> Shivaram
> 
> 
> 
> On Tue, Jun 23, 2020 at 3:43 AM Takeshi Yamamuro < linguin. m. s@ gmail. com
> ( linguin....@gmail.com ) > wrote:
> 
> 
>> 
>> 
>> Thanks for the heads-up, Yuanjian!
>> 
>> 
>>> 
>>> 
>>> I also noticed branch-3.0 already has 39 commits after Spark 3.0.0.
>>> 
>>> 
>> 
>> 
>> 
>> wow, the updates are so quick. Anyway, +1 for the release.
>> 
>> 
>> 
>> Bests,
>> Takeshi
>> 
>> 
>> 
>> On Tue, Jun 23, 2020 at 4:59 PM Yuanjian Li < xyliyuanjian@ gmail. com (
>> xyliyuanj...@gmail.com ) > wrote:
>> 
>> 
>>> 
>>> 
>>> Hi dev-list,
>>> 
>>> 
>>> 
>>> I’m writing this to raise the discussion about Spark 3.0.1 feasibility
>>> since 4 blocker issues were found after Spark 3.0.0:
>>> 
>>> 
>>> 
>>> [SPARK-31990] The state store compatibility broken will cause a
>>> correctness issue when Streaming query with `dropDuplicate` uses the
>>> checkpoint written by the old Spark version.
>>> 
>>> 
>>> 
>>> [SPARK-32038] The regression bug in handling NaN values in COUNT(DISTINCT)
>>> 
>>> 
>>> 
>>> 
>>> [SPARK-31918][WIP] CRAN requires to make it working with the latest R 4.0.
>>> It makes the 3.0 release unavailable on CRAN, and only supports R [3.5,
>>> 4.0)
>>> 
>>> 
>>> 
>>> [SPARK-31967] Downgrade vis.js to fix Jobs UI loading time regression
>>> 
>>> 
>>> 
>>> I also noticed branch-3.0 already has 39 commits after Spark 3.0.0. I
>>> think it would be great if we have Spark 3.0.1 to deliver the critical
>>> fixes.
>>> 
>>> 
>>> 
>>> Any comments are appreciated.
>>> 
>>> 
>>> 
>>> Best,
>>> 
>>> 
>>> 
>>> Yuanjian
>>> 
>>> 
>> 
>> 
>> 
>> --
>> ---
>> Takeshi Yamamuro
>> 
>> 
> 
> 
> 
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