Version in base suite: 15.4-7~deb10u1
Version in overlay suite: 15.6-1~deb10u1

Base version: shim_15.4-7~deb10u1
Target version: shim_15.6-1~deb10u1
Base files: shim-helpers-arm64-signed-template_15.4-7~deb10u1_arm64.deb shim-unsigned_15.4-7~deb10u1_arm64.deb
Target files: shim-helpers-arm64-signed-template_15.6-1~deb10u1_arm64.deb shim-unsigned_15.6-1~deb10u1_arm64.deb

File lists identical on package level (after any substitutions)

Control files of package shim-helpers-arm64-signed-template: lines which differ (wdiff format)
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Version: [-15.4-7~deb10u1-] {+15.6-1~deb10u1+}

Control files of package shim-unsigned: lines which differ (wdiff format)
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Installed-Size: [-1731-] {+1751+}
Version: [-15.4-7~deb10u1-] {+15.6-1~deb10u1+}