Core Changes

• Fix OTEL propagation and add direct entrypoint e2e coverage: #90181
• Use cookie as sole protocol for instant navigation testing: #89871
• Simplify metadata tag rendering to flat imperative style: #90209
• Prevent unhandled rejection filter from being bundled into the server runtime: #90205
• [Instant] speed up test instant-validation suite: #90214

Misc Changes

• [turbopack] Add a simple tool to inspect serialized SST files and report on their contents: #89310
• Upgrade React from 4842fbea-20260217 to 2ba30655-20260219: #90211

Credits

Huge thanks to @ijjk, @lukesandberg, @eps1lon, @acdlite, @gnoff, and @lubieowoce for helping!