The Play Store by default on uploading an OBB will check it against the others uploaded so if you are uploading multiple APKs built for different architectures in the same packaging session the OBB files will be identical and it is easy to get them mismatched on upload.  Adding the store version as a part of the OBB file content will prevent this and make it less likely a user will mess up the store upload (you only get one chance to get it right).

Steps to Reproduce
  1. Create FP template
  2. Configure for Android
  3. Set ARM64 Store version offset to 1 and enable both ARMv7 and ARM64
  4. Package for ETC1

Compare the main.1.[package name].obb and main.2.[package name].obb binaries.  They should not be identical or Play Store will flag it on upload.

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ComponentUE - Platform - Mobile
Affects Versions4.23
Target Fix4.23
Fix Commit8092125
Main Commit8092159
Release Commit8092125
CreatedAug 16, 2019
ResolvedAug 16, 2019
UpdatedFeb 25, 2020
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