Add highlights and upgrade notes to 5.0.0-M1 release notes#1182
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The 5.0.0-M1 release notes were a flat list of ~350 PRs with no overview or upgrade guidance. Add a Highlights section summarizing the major themes (Scalable Topics / Topics v5, the V5 Java client, Oxia as the recommended metadata store, the Maven-to-Gradle build migration, the IO connector repository split, and structured logging) and an Important notice section covering the breaking changes (javax to jakarta, Etcd backend removal, connector relocation, Gradle build, fastutil removal). Follows the conventions already used by the 4.0.0 (highlights + announcement link) and 2.11.0 (important notice) release notes. The detailed per-category PR lists are unchanged.
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Motivation
The Pulsar 5.0.0-M1 release notes were a flat list of ~350 PRs with no overview or upgrade guidance. For a major milestone, a reader had no way to tell what matters or what to watch out for when upgrading.
Changes
Two additive sections at the top of
release-notes/versioned/pulsar-5.0.0-M1.md(the detailed per-category PR lists are left unchanged):### Highlights— narrative summary of the major themes, each with PIP links, ordered by significance:### Important notice— breaking changes to review before upgrading:javax.*→jakarta.*, Etcd backend removal, IO connector relocation, Gradle build, andfastutilremoval.This follows the conventions already used by the 4.0.0 (highlights + announcement link) and 2.11.0 (important notice) release notes.
Notes
All descriptions are sourced from the corresponding PIPs and the official 5.0.0-M1 announcement post; all PIP/blog links were verified to resolve.