UUM-152367

Fixed in 6000.7.0b2

Mentioned in 1 release note.

First fixed in 6000.7.0b2 (Sep 23, 2026).

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.7.0b2Fixes
Build Pipeline
FixArchives built with LZ4 compression now store each compressed chunk at a 16 byte aligned offset and cut chunks on file and serialized object boundaries. Previously chunks were packed back to back at arbitrary offsets and mixed data from unrelated files and objects, so changing a single asset shifted every following chunk and produced a patch close to the size of the whole archive. This mainly matters on platforms with strict patch size limits The archive file format version is bumped to 9: older archives are still read, but archives written by this version cannot be read by earlier Unity versions. (UUM-152367) First seen in 6000.7.0b1.

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