• Remove flow typings from this repo Remove flow typings from repo #912

• Remove deprecated options and methods

  • Call of derived event Forbid deprecated unit calls #905
  • Unit call from pure function Forbid deprecated unit calls #905
  • Remove second argument from store.map #846
  • Remove thru method #843
  • Remove effector/fork module #842
  • Remove deprecated createReactState and createContextComponent #845
  • Remove effector-react/ssr module #844
  • Remove createStoreObject Remove createStoreObject #908
  • Remove restore($store) support #1018

• Introduce new types

  • Introduce EventCallable<T> and StoreWritable<T>. Separate types for readonly Store (Store) and listen-only Event (Event) #847 (Introduce UnitTargetable, EventCallable and StoreWritable #966)
  • Forbid derived units in operators targets

• Deprecate some features

  • forward and guard Deprecate forward and guard #913
  • Rename greedy into batch in sample (Rename greedy to batch #972)
    • Deprecate greedy: false, introduce batch: true
  • Deprecate createStoreConsumer, connect and createComponent #848
  • Remove fork(scope)-related code (activeEffects, etc)
  • Deprecate reactSsr option in babel-plugin (Deprecate reactSsr option #910)
  • Deprecate bindings option in swc plugin (@Drevoed) https://github.com/effector/swc-plugin/#bindings
  • Deprecate onlyChanges option in serialize Deprecate onlyChanges #907
  • Deprecate {[fx.sid]: Function} in fork handlers (Deprecate object with handlers #973)
  • Deprecate .watch(trigger, watcher) Deprecate watch second argument #906
  • Deprecate getType() (Deprecate getType #899)
  • Deprecate effector/babel-plugin-react Deprecate babel-plugin-react #948
  • Deprecate fork(domain) (Deprecate fork domain and related stuff #950)
  • Deprecate hydrate(domain) (Deprecate fork domain and related stuff #950)
  • Deprecate hydrate(fork(domain)) — hydrating scope forked from domain (Deprecate fork domain and related stuff #950)

• Fix ignored stores serializing forked initial value #903

• Race condition in parallel effect calls #633 (Fix race condition in parallel effect calls (fix #633) #849)

• No scope events affect scoped stores #535 (Fix global state impact on scopes #909)

• Unify programmatic sid insertions: sample({and: arg, or: {sid, name}) vs restore(arg, arg, {sid, name}) (Unify programmatic sid insertions #969)

• Throw an exception if fn in $store.map(fn) returns undefined in the initialization
  (Bug with $store.map resulting in undefined value #828)

• Replace createWatch from the internal effector-react impl with createWatch from the effector package (related: Add new helper method createWatch #646) (Use createWatch from effector and add batch to it #850)

• Add batch option to createWatch (Use createWatch from effector and add batch to it #850)

• Allow to pass domain to attach without parent effect #829 (Allow domain to be used in attach without parent effect #895)

• Fix duplicated combine calls Improve combine batching ability #916

• Fix reading obsolete source value in attach (Fix reading stale value in attach #1011)

• createStore with serialize: ignore won't ignores when used with factory #863

• Add @withease/factories to babel defaults (Add @withease/factories to babel defaults #995)

• Add custom handling for patronum/{method} imports (Add custom patronum handling #996)

• Show warning when returns undefined in stores

  • Deprecate undefined as a magic skip update value and allow it as a normal value #920

• Bindings

  • Deprecate */scope packages in favour of isomorphic bindings #768
  • Make useStoreMap isomorphic in effector-solid #872
  • Make useGate isomorphic in effector-solid #874
  • Deprecate effector-solid/scope #873
  • Isomorphic hooks in effector-vue #767
  • $watchAsStore and $store in effector-vue
  • Update imports in effector-vue #919
  • Deprecate effector-react's useStore/useEvent in favor of useUnit (Deprecate useStore and useEvent #951)
  • useUnit for effector-vue/composition #1003

• 10% performance improve (Improve performance #1014)

• Improve error messages, now when validation error happened, it will show unit name and other relevant information in message (Improve error messages #1015)

Nice to have:

• Improve message in sample validation in case of array in target like "expect item at index 3 of target to be non-derived unit"

Ecosystem updates:

• Reflect v9. Tracking issue reflect#44
• Patronum v2.0 Danainae  patronum#175
• Mapped unit naming swc-plugin#29
• eslint-plugin v0.12.0 tracking issue eslint-plugin#134
• Update effector and dependencies vite-react-template#13
• Upgrade effector version logger#116
• Upgrade to effector 23 inspector#64
• Update repl to effector 23.0 repl#31

How to release:

• Create a changelog in releases and CHANGELOG.md
• Create a migration guide
• Update the reference documentation of the all touched methods
• Write article in community.effector.dev
• Create a new image banner
• Publish into Telegram channel
• Tweet it with the most interesting picks
• Publish in Discord Announcements
• Move documentation for 22.x.x to https://v22.effector.dev
  • Add link to v22 to all other versions of docs