v16.3.0-canary.104

Misc Changes

• [turbopack] Respect sideEffects in a package.json file with optimizePackageImports: #96383
• [turbopack] Keep track of components of the remainder chunk: #96409
• Update Rust toolchain to nightly-2026-07-29: #96365
• Remove obsolete shouldWaitOnAllReady render option: #96401
• Upgrade React from 6cb4322d-20260729 to 0f42eac2-20260730: #96402
• fix: respect htmlLimitedBots in cache components without buffering the full response: #96367
• test: expand Cache Components metadata streaming coverage: #96366
• fix(create-next-app): make AGENTS.md blue: #95432
• [bench skill] Bench Edge builds of React too: #96234
• Upgrade React from 1724e9ce-20260729 to 6cb4322d-20260729: #96389
• Fix empty Fragment scroll ownership: #96342
• Skip reader task locking for immutable Turbo Tasks reads: #96179
• Upgrade React from 96fcba90-20260728 to 1724e9ce-20260729: #96355
• test: reproduce empty parallel route scroll regression: #96323
• [ci] Match the test job summary style to the PR test report comment: #95882
• [Instant] Point to first blocking await in validation: #96343

Credits

Huge thanks to @sampoder, @wbinnssmith, @ztanner, @vercel-release-bot, @styfle, @gaearon, @DavidIlie, @marcoshernanz, @eps1lon, and @lubieowoce for helping!