andygrove commented on PR #6469:
URL: 
https://github.com/apache/datafusion-comet/pull/6469#issuecomment-5982057318

   Closing this. Every regression it listed is now fixed on `branch-1.1` except 
#6254, and #6544, its fix, is approved and labelled for backport, so the 1.1.0 
page would be empty or close to it. That isn't worth a new top-level docs 
section. The part users still need, the upgrade-guide note that native Iceberg 
reads on EKS no longer fall back from IRSA (#6025), is now #6603, and it will 
be backported to `branch-1.1`. #6402 keeps the full list of regressions and 
their fixes.
   
   Two things from here belong in the 1.1.0 release blog post instead:
   
   - The headline from the audit (#6399): 1.1.0 fixes about 90 bugs that 
shipped in 1.0.0 (91 of rc1's 131 `fix:` pull requests), and about 40 of those 
returned results that differed from Spark.
   - The #5421 change: when the final aggregate runs in Spark, which happens 
for every aggregate if the Comet shuffle manager isn't installed, the partial 
`avg`, decimal `sum`, `stddev`, `variance`, `corr`, `first`, `last` and a few 
others now run in Spark too. In 1.0.0 they ran natively, and `avg` could return 
NULL in that plan (#5419). Installing the Comet shuffle manager keeps them 
native.
   
   If #6544 doesn't make rc2, the #6254 workaround can go in the post too: more 
off-heap memory, or `spark.comet.exec.aggregate.enabled=false` for the affected 
job.


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