| 1 | # Change Log
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| 2 |
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| 3 | ## UPCOMING
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| 4 |
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| 5 | * Add new changes here as they land*
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| 6 |
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| 7 | - Performance optimization to suppress re-rendering components:
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| 8 | - When subscribed selectors evaluate to the same value. (#749, #952)
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| 9 | - On initial render when not using React Concurrent Mode (#820)
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| 10 | - Memory management
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| 11 | - Selector cache configuration
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| 12 |
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| 13 | ## 0.3.0 (2021-5-14)
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| 14 |
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| 15 | In the future to support garbage collection, there is a slight breaking change that `Snapshot`'s will only be valid for the duration of the callback or render. A new `retain()` API can be used to persist them longer. This is not enforced yet, but Recoil will now provide a warning in dev-mode if a `Snapshot` is used past its lifetime. (#1006)
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| 16 |
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| 17 | ### New Features / Improvements
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| 18 | - Add `override` prop to `<RecoilRoot>` (#973)
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| 19 | - Add `getCallback()` to selector evaluation interface (#989)
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| 20 | - Improved TypeScript and Flow typing for `Loadable`s (#966, #1022)
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| 21 |
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| 22 | ### Performance Optimizations
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| 23 | - Improve scalability (time and memory) of Atom families by cleaning up a legacy feature.
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| 24 |
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| 25 | ### Bug Fixes
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| 26 | - Throwing an error in an async selector should be properly caught by `<ErrorBoundary>`'s (#998, #1017)
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| 27 | - Fix for Atom Effects `onSet()` should not be called when triggered from `setSelf()` initializing with a Promise or from the same `onSet()` handler. (#974, #979, #953, #986)
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| 28 | - Improved support for Safari (#967, #609)
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| 29 | - Objects stored in selectors are properly frozen in dev mode (#911)
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| 30 |
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| 31 | ## 0.2.0 (2021-3-18)
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| 32 |
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| 33 | ### Major improvements
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| 34 |
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| 35 | - More reliable async selectors
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| 36 | - Improved performance using HAMT data structures (b7d1cfddec66dae).
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| 37 |
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| 38 | ### Other improvements
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| 39 |
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| 40 | - Changed semantics of waitForAny() such that it will always return loadables unless everything is loading. This better aligns behaviour of waitForAny() and waitForNone()
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| 41 | - Added a waitForAllSettled helper analogous to Promise.allSettled. (4c95591)
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| 42 | - Friendly error message for misuse of useRecoilCallback (#870)
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| 43 | - Friendly error message if you try to use an async function as a selector setter, which is not supported. (#777)
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| 44 | - Improved React Native support. (#748, #702)
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| 45 | - Added useGetRecoilValueInfo_UNSTABLE() hook for dev tools. (#713, #714)
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| 46 |
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| 47 | ### Bug fixes
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| 48 |
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| 49 | - Selectors now treat any non-Promise that is thrown as an error, rather than only instances of Error. (f0e66f727)
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| 50 | - A child of RecoilRoot could sometimes have its state updated after being unmounted. (#917)
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| 51 | - The error message for missing RecoilRoot wasn't displayed on React experimental releases. (#712)
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| 52 | - IE 11 compatibility (#894, d27c800d8)
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| 53 | - Errors shouldn't be frozen (#852)
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| 54 | - Atom effects could fail to initialize atoms in certain cases (#775).
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| 55 | - Async selectors would fail with multiple React roots (a618a3).
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| 56 |
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| 57 | ## 0.1.3 (2021-3-2)
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| 58 |
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| 59 | - Fixed peer dependencies
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| 60 |
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| 61 | ## 0.1.2 (2020-10-30)
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| 62 |
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| 63 | - Fix TypeScript exports
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| 64 |
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| 65 | ## 0.1.1 (2020-10-29)
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| 66 |
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| 67 | - Performance Improvements
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| 68 | - Experimental React Native support
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| 69 | - Experimental Atom Effects
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| 70 | - Experimental Snapshot construction
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| 71 |
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| 72 | ## 0.0.13 (2020-09-16)
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| 73 |
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| 74 | - Fix for bug affecting SSR
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| 75 |
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| 76 | ## 0.0.12 (2020-09-15)
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| 77 |
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| 78 | - Fix for bug affecting SSR on development builds
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| 79 |
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| 80 | ## 0.0.11 (2020-09-15)
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| 81 |
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| 82 | - Experimental React Concurrent Mode Support
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| 83 | - Performance
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| 84 | - Flow Types
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| 85 | - ES, CommonJS, and UMD packages
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| 86 | - Synchronization Across React Roots
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| 87 | - Preliminary Developer Tools API
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| 88 | - Test Infrastructure Fixes
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| 89 |
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| 90 | ## 0.0.10 (2020-06-18)
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| 91 |
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| 92 | ### Bug Fix
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| 93 |
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| 94 | - Fix exports for snapshot hooks
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| 95 |
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| 96 | ## 0.0.9 (2020-06-17)
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| 97 |
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| 98 | ### Features
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| 99 |
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| 100 | - TypeScript support now rolled into Recoil repository and package.
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| 101 | - Recoil Snapshot API for observing and managing global Recoil state.
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| 102 |
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| 103 | ### Improvements
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| 104 |
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| 105 | - Throw error with meaningful message if user doesn't use an atom or selector with most Recoil hooks (#205) - Thanks @alexandrzavalii
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| 106 | - Improve testing (#321, #318, #294, #262, #295) - Thanks @aaronabramov, @Komalov, @mondaychen, @drarmstr, and @tyler-mitchell
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| 107 | - Improve open-source build (#249, #203, #33) - Thanks to @tony-go, @acutmore, and @jaredpalmer
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| 108 |
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| 109 | ### Bug Fixes
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| 110 |
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| 111 | - Some fixes for Server Side Rendering, though we do not officially support it yet. (#233, #220, #284) - Thanks @fyber-LJX, @Chrischuck, and @aulneau
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| 112 | - Fix selectors recording dependency subscriptions in some cases (#296) - Thanks @drarmstr
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| 113 | - Fix updaters in `useRecoilCallback()` getting current state (#260) - Thanks @drarmstr
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| 114 | - Fix error messages when throwing certain errors in the open-source build. (#199) - Thanks @jonthomp
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| 115 | - Reduce Flow errors for open-source builds (#308) - Thanks @Komalov
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| 116 |
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| 117 | ## 0.0.8 (2020-05-30)
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| 118 |
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| 119 | ### Bug Fixes
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| 120 |
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| 121 | - Build system and repository syncing fixed.
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| 122 | - Fixed a bug where atoms that stored self-referential structures would cause an infinite loop. (#153)
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| 123 | - Fixed bugs affecting Server-Side Rendering. (#53)
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| 124 |
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| 125 | ### Features
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| 126 |
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| 127 | - TypeScript support is now available via DefinitelyTyped.
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| 128 | - `atomFamily` and `selectorFamily`: these provide a standard way to create atoms and selectors using memoized functions. Compared with doing this yourself, in the future these will help with memory management.
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| 129 | - `noWait`, `waitForNone`, `waitForAny`, `waitForAll`: helpers for concurrency and other advanced logic in async selectors.
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| 130 | - `constSelector` and `errorSelector`: selectors that always evaluate to a constant or always throw an error.
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| 131 | - `readOnlySelector`: wraps a read-write atom or selector in a read-only interface, for when you need type covariance.
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