Release notes

Changes

Make FormatSpecHandle read current specs on access (backport #9264) [release/5.9.x] (#9265)
docs: remove duplicate QuantityFormatter migration sample (backport #9270) [release/5.9.x] (#9272)
[semantic Rebase] Remove unnecessary fields from "$meta" in instance patches and added batching while writing instance patches to temp file (backport #9266) [release/5.9.x] (#9273)
fix: stop deep-importing core-backend internals in linear-referencing (backport #9271) [release/5.9.x] (#9274)

Full changelog: 5.9.1...5.9.2