KarakunElasticsearch 7 → 8 is not a simple upgrade.
It’s a migration.
New clients, #SecurityByDesign and API changes make this more complex than many teams expect — we’ve seen it firsthand.
We break down what really changes on the Karakun #DeveloperHub when moving from #Elasticsearch 7.17 to 8.19, including client updates, mappings and error handling.
Practical guide (incl. code & pitfalls):
https://dev.karakun.com/2026/03/26/elasticsearch-7-to-8-migration-guide.html
