v15.3.1-canary.8

Core Changes

• [next-server] remove unnecessary query shallow copy: #78003
• [dev-overlay] disable copy button when clipboard is not available: #78101
• [dev-overlay] Stop stashing React error details on error instances: #77975
• [dynamicIO] Model invalid dynamic on empty shells: #77270
• fix: bump [email protected]: #78149
• Handle graceful fallback for custom error boundaries: #78121

Misc Changes

• refactor(turbo-tasks): Check for transient tasks called from persistent tasks in more places: #77760
• [font] prefix leading numeric google-font name with underscore: #78127
• build: Update swc_core to v22.3.1: #78129
• Update Turbopack production test manifest: #78124
• [test] isolate parallel metadata test: #78134
• Update Turbopack development test manifest: #78125
• Update Rspack production test manifest: #78123
• [test] Add dedicated tsconfig for test utils: #78141
• Turbopack: load chunks only once: #75143
• Reenable a few more Turbopack tests: #78153
• test: remove "@testing-library/jest-dom" from default jest setup: #78157
• Turbopack: Update toolchain to 2025-04-14 (Reapply #78062): #78167

Credits

Huge thanks to @bgw, @Fonger, @huozhi, @ospira, @eps1lon, @kdy1, @gnoff, @styfle, @mischnic, @lubieowoce, and @wbinnssmith for helping!