My priorities for 1.2.0

[andygrove]

What is the problem the feature request solves?

This is my personal tracking issue for things I am working on. Filing as an issue for visibility.

Features

• feat: enable Comet's in-memory cache by default #5634
• feat: enable native Iceberg writes by default #6664

Bug Fixes & Tech Debt

• [EPIC] Match Spark's -0.0 and NaN semantics systematically instead of per expression #6385
• [EPIC] Timezone handling bugs #6335
• fix: let a spilled final aggregate read its spill files back past its memory share #6544

Performance

• SparkToColumnarExec optimizations

PR Review Queue

• fix: restore Spark write execs when reverting transition-heavy stages #5957
• fix: load the Iceberg storage scheme lists from the native factory #6065
• feat: support bloom filters in native Iceberg writes #5724
• fix: match Spark ANSI integral overflow errors (#6217) #6249
• fix: do not resolve DPP subqueries when AQE reads a native scan's partitioning #6268
• fix: keep unconverted DPP filters in a scan's canonical form #6270
• perf: keep the sort-merge join when the forced hash join's build side is too large #6384
• fix: support struct-typed scalar subquery results #5889

Describe the potential solution

No response

Additional context

No response