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Also see Breaking changes in 5.4.
- Explicitly reject duplicate data paths #25178
PatternAnalyzer should lowercase wildcard queries when
lowercaseis true. #24967
- PatternAnalyzer should lowercase wildcard queries when
- Circuit Breakers
- Index APIs
- Nested Docs
- Ensure pending transport handlers are invoked for all channel failures #25150
- When stopping via systemd only kill the JVM, not its control group #25195