Wes McKinney created ARROW-9231:
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Summary: [Format] Increment MetadataVersion from V4 to V5
Key: ARROW-9231
URL: https://issues.apache.org/jira/browse/ARROW-9231
Project: Apache Arrow
Issue Type: Improvement
Components: Format
Reporter: Wes McKinney
Fix For: 1.0.0
We are making enough non-forward-compatible format changes that we should
increase the format version to V5 while continuing to accept V4 (because the
changes we've made are backward compatible) and where relevant implementing a
V4-compatibility mode that disables features where there are changes between
0.17.x and 1.x
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