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Testing shows there was no increase or decrease in performance compared to master branch after arrays were used.
Disadvantage: extra dependency
Extra dependencies could add possible risks of dependency issues, security issues, etc. in future.
The new dependency is an updated version of an existing dependency (hibernate-types-52) - the developer renamed the library at some point. More info here: https://vladmihalcea.com/hibernate-types-hypersistence-utils/
Disadvantage: Limited array type support
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