the cloud-deps.edn files are indeed the same size and same content hash, only differ in creation date & time, within the 2 versions of the ion-dev jar file:
❯ export -f ion_dev_jar () { echo "${HOME}/.m2/repository/com/datomic/ion-dev/${1}/ion-dev-${1}.jar" }
❯ unzip -v $(ion_dev_jar 1.0.326) datomic/ion/dev/cloud-deps.edn
Archive: /Users/onetom/.m2/repository/com/datomic/ion-dev/1.0.326/ion-dev-1.0.326.jar
Length Method Size Cmpr Date Time CRC-32 Name
-------- ------ ------- ---- ---------- ----- -------- ----
28348 Defl:N 3906 86% 05-30-2025 12:40 0439aa0f datomic/ion/dev/cloud-deps.edn
-------- ------- --- -------
28348 3906 86% 1 file
❯ unzip -v $(ion_dev_jar 1.0.352) datomic/ion/dev/cloud-deps.edn
Archive: /Users/onetom/.m2/repository/com/datomic/ion-dev/1.0.352/ion-dev-1.0.352.jar
Length Method Size Cmpr Date Time CRC-32 Name
-------- ------ ------- ---- ---------- ----- -------- ----
28348 Defl:N 3906 86% 02-10-2026 16:30 0439aa0f datomic/ion/dev/cloud-deps.edn
-------- ------- --- -------
28348 3906 86% 1 file