Features

• Implement flushSync (#5036, thanks @JoviDeCroock)

Fixes

• Ensure we reset renderCount (#5017, thanks @JoviDeCroock)
• undefined prototype (#5041, thanks @JoviDeCroock)

Performance

• Golf down compat (#5025, thanks @JoviDeCroock)

Fixes

• Fix crash where a synchronous effect render unmounts the tree (#5026, thanks @JoviDeCroock)

Performance

• Core size optimizations (#5022, thanks @JoviDeCroock)
• Hooks size optimizations (#5021, thanks @JoviDeCroock)
• Make oldProps diffing more compact (#5004) (#5019, thanks @JoviDeCroock)
• Compat size optimizations (#5020, thanks @JoviDeCroock)
• Land size optimization separately (#5018, thanks @JoviDeCroock)

Fixes

• Forward-port fixes from v10 (#5008, thanks @JoviDeCroock)
• Avoid scheduling suspense state udpates (#5006, thanks @JoviDeCroock)
• Resolve some suspense crashes (#4999, thanks @JoviDeCroock)
• Support inheriting namespace through portals (#4993) (#4995, thanks @JoviDeCroock)
• Forward-port diffing fix (#4976, thanks @JoviDeCroock)
• Fix cascading renders with signals (#4966) (#4969, thanks @JoviDeCroock)
• Avoid lazy components without result going in throw loop (#4939, thanks @JoviDeCroock)
• Support XHTML phrasing content in MathML token elements (#4924, thanks @rschristian)
• Check excess for preact-iso (#4898, thanks @JoviDeCroock)

Types

• Export setupComponentStack (#4974, thanks @ssssota)
• Add types for 'getDisplayName' (#4957, thanks @rschristian)
• Adds scrollsnapchange and scrollsnapchanging event support (#4946, thanks @argyleink)
• Fix scroll events (#4948, thanks @rschristian)
• Updates dangerouslySetInnerHTML type so future TS will accept Trusted… (#4930, thanks @lukewarlow)

Performance

• Call toLowerCase on name regardless of its current casing (#5003, thanks @ali-garajian)
• Set oldProps's default value on declaration (#4959, thanks @ali-garajian)
• Prevent frequently updated components from retaining memory (#4907, thanks @JoviDeCroock)
• Golf down hooks impl (#4897, thanks @JoviDeCroock)
• Save bytes by inlining ref unmount checks (#4896, thanks @JoviDeCroock)
• Save bytes on hydration 2.0 (#4894, thanks @JoviDeCroock)

Maintenance

• Remove leftover codemods (#5000, thanks @rschristian)
• Clean configs (#4996, thanks @rschristian)
• Force strict equality on vnode constructor (#4986, thanks @JoviDeCroock)
• types: Correct outdated imports in jsx-runtime (#4981, thanks @rschristian)
• Delete redundant code of conduct (#4962, thanks @JoviDeCroock)
• Update CODE_OF_CONDUCT to include LLM usage guidelines (#4961, thanks @JoviDeCroock)
• Add comments for hooks options (#4942, thanks @situ2001)
• Add commpat/server.browser entry (#4940, thanks @marvinhagemeister)
• Switch tests to use .jsx file extension (#4925, thanks @rschristian)
• Fix PR reporter for non-main branch targets (#4900, thanks @rschristian)

Fixes

• Avoid scheduling suspense state udpates (#5006, thanks @JoviDeCroock)
• Resolve some suspense crashes (#4999, thanks @JoviDeCroock)
• Support inheriting namespace through portals (#4993, thanks @JoviDeCroock)

Maintenance

• Update test with addition of _original (#4989, thanks @JoviDeCroock)

Fixes

• Enforce strict equality for VNode object constructors

Fixes

• Enforce strict equality for VNode object constructors

Fixes

• Enforce strict equality for VNode object constructors

Fixes

• Fix erroneous diffing w/ growing list (#4975, thanks @JoviDeCroock)

Types

• Updates dangerouslySetInnerHTML type so future TS will accept Trusted… (#4931, thanks @lukewarlow)
• Adds snap events (#4947, thanks @argyleink)
• Remove missed jsx duplicates (#4950, thanks @rschristian)
• Fix scroll events (#4949, thanks @rschristian)

Fixes

• Fix cascading renders with signals (#4966, thanks @JoviDeCroock)
• add commpat/server.browser entry (#4941 & #4940, thanks @marvinhagemeister)
• Avoid lazy components without result going in throw loop (#4937, thanks @JoviDeCroock)

Performance

• Backport some v11 optimizations (#4967, thanks @JoviDeCroock)

Types

• Mirror non-JSX types to the 'preact' namespace (#4904, thanks @rschristian)

Fixes

• Address memory leak (#4906, thanks @JoviDeCroock)