Update references to committed features in CHANGELOG

Summary: There were a lot of placeholder references to the PRs of committed features in the CHANGELOG. I went along each one and tagged each PR/commit that added the feature.

Differential Revision: D45477107

fbshipit-source-id: 4d64366bbafc07de278aaacac7e8558b6483cae4

CHANGELOG.md

@@ -8,15 +8,15 @@ The changelog for `IGListKit`. Also see the [releases](https://github.com/instag
 
 ### Breaking Changes
 
-- Changed iOS deployment target to 11.0 and macOS deployment target to 10.13
+- Changed iOS deployment target to 11.0 and macOS deployment target to 10.13 [Kent Sutherland](https://github.com/ksuther) [#1573](https://github.com/Instagram/IGListKit/pull/1573)
 
-- Removed unneeded diffing functions `IGListDiffExperiment(...)` and `IGListDiffPathsExperiment(...)`. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Removed unneeded diffing functions `IGListDiffExperiment(...)` and `IGListDiffPathsExperiment(...)`. [Maxime Ollivier](https://github.com/maxolls) [(254c041)](https://github.com/Instagram/IGListKit/commit/254c04196a6b906a155d8a1dd670c720500bed6c)
 
-- `ListSectionController.collectionContext` and `ListGenericSectionController.object` are now implicitly-unwrapped optionals in Swift. [Nate Stedman](https://github.com/natestedman) (tbd)
+- `ListSectionController.collectionContext` and `ListGenericSectionController.object` are now implicitly-unwrapped optionals in Swift. [Nate Stedman](https://github.com/natestedman) [(a6526ce)](https://github.com/Instagram/IGListKit/commit/a6526ce097fe38de85459cd6a34d948ec8440db7)
 
-- The argument of `IGListGenericSectionController`'s `-didUpdateToObject:` is now generic, not `id`. [Nate Stedman](https://github.com/natestedman) (tbd)
+- The argument of `IGListGenericSectionController`'s `-didUpdateToObject:` is now generic, not `id`. [Nate Stedman](https://github.com/natestedman) [(a6526ce)](https://github.com/Instagram/IGListKit/commit/a6526ce097fe38de85459cd6a34d948ec8440db7)
 
-- Updated  `IGListUpdatingDelegate`, including a new method to safely perform `[IGListAdapter setDataSource:]` and changes to `-performUpdateWithCollectionViewBlock` that allows section-controllers to be created before the diffing (and therefore use a more accurate `toObjects` array) [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Updated  `IGListUpdatingDelegate`, including a new method to safely perform `[IGListAdapter setDataSource:]` and changes to `-performUpdateWithCollectionViewBlock` that allows section-controllers to be created before the diffing (and therefore use a more accurate `toObjects` array) [Maxime Ollivier](https://github.com/maxolls) [(43af883)](https://github.com/Instagram/IGListKit/commit/43af8838dfdcfc50b8145c56cfecb5f5ed9195a5)
 
 ```objc
 // OLD
@@ -38,11 +38,11 @@ The changelog for `IGListKit`. Also see the [releases](https://github.com/instag
 - (void)performDataSourceChange:(IGListDataSourceChangeBlock)block;
 ```
 
-- Removed `allowsBackgroundReloading` from `IGListAdapterUpdater` because it's causing performance issues and other bugs. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Removed `allowsBackgroundReloading` from `IGListAdapterUpdater` because it's causing performance issues and other bugs. [Maxime Ollivier](https://github.com/maxolls) [(032e1b0)](https://github.com/Instagram/IGListKit/commit/032e1b0b8367e68ef3015f0dc7dfe2f3ff2bae0c)
 
-- Introducing `allowsBackgroundDiffing` on `IGListAdapterUpdater`! This property lets the updater perform the diffing on a background thread. Originally introduced by Ryan Nystrom a while back. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Introducing `allowsBackgroundDiffing` on `IGListAdapterUpdater`! This property lets the updater perform the diffing on a background thread. Originally introduced by Ryan Nystrom a while back. [Maxime Ollivier](https://github.com/maxolls) [(9a11f6)](https://github.com/Instagram/IGListKit/commit/9a11f6b55f02a8a89494035fb17203655e454404)
 
-- Updated `scrollToObject:` method in `IGListAdapter` to include a new parameter `additionalOffset` to handle shifting the final scroll position by some vertical or horizontal offset depending on the scroll direction. This allows the object to be shown at the correct position when it is scrolled to in a list with sticky headers.
+- Updated `scrollToObject:` method in `IGListAdapter` to include a new parameter `additionalOffset` to handle shifting the final scroll position by some vertical or horizontal offset depending on the scroll direction. This allows the object to be shown at the correct position when it is scrolled to in a list with sticky headers. [Anna Tang](https://www.instagram.com/anna.likesfood/) [(f2166c3)](https://github.com/Instagram/IGListKit/commit/f2166c358b3ed0fb3e9dd55d2bed9b7fe7a6a05e)
 
 ```objc
 // OLD
@@ -62,27 +62,27 @@ The changelog for `IGListKit`. Also see the [releases](https://github.com/instag
 ```
 
 ### Enhancements
-- Added `viewForSupplementaryElementOfKind:atIndex:sectionController:` to `IGListAdapter`. [ryanmathews]
+- Added `viewForSupplementaryElementOfKind:atIndex:sectionController:` to `IGListAdapter`. [ryanmathews](https://www.instagram.com/_rmathews_/) [(c708a10)](https://github.com/Instagram/IGListKit/commit/c708a10757944f147110a31be661d015e9fc901c)
 
-- Added `shouldDeselectItemAtIndex:` to `IGListSectionController` . [bladeofky](https://github.com/bladeofky)
+- Added `shouldDeselectItemAtIndex:` to `IGListSectionController`. [bladeofky](https://github.com/bladeofky) [(b22a10e)](https://github.com/Instagram/IGListKit/commit/b22a10e47ffa87c79993ea19db7b52605e83ebbf)
 
-- Added `shouldSelectItemAtIndex:` to `IGListSectionController` . [dirtmelon](https://github.com/dirtmelon)
+- Added `shouldSelectItemAtIndex:` to `IGListSectionController`. [dirtmelon](https://github.com/dirtmelon) [(#1479)](https://github.com/Instagram/IGListKit/pull/1479)
 
-- Added [Mac Catalyst](https://developer.apple.com/mac-catalyst/) support. [Petro Rovenskyy](https://github.com/3a4oT/)
+- Added [Mac Catalyst](https://developer.apple.com/mac-catalyst/) support. [Petro Rovenskyy](https://github.com/3a4oT/) [(#1487)](https://github.com/Instagram/IGListKit/pull/1487)
 
 - Introduce `IGListSwiftKit`, with Swift refinements for `dequeueReusableCellOfClass` methods. [Koen Punt](https://github.com/koenpunt) [(#1388)](https://github.com/Instagram/IGListKit/pull/1388).
 
 - Added `APPLICATION_EXTENSION_API_ONLY` support for `IGListDiffKit` [Peter Meyers](https://github.com/pm-dev) [(#1422)](https://github.com/Instagram/IGListKit/pull/1422)
 
--  Improved performance by deferring requesting objects from the `IGListAdapterDataSource` until just before diffing is executed. If n updates are coalesced into one, this results in just a single request for objects from the data source. Shipped with experiment `IGListExperimentDeferredToObjectCreation` from Ryan Nystrom.  [Maxime Ollivier](https://github.com/maxolls) (tbd)
+-  Improved performance by deferring requesting objects from the `IGListAdapterDataSource` until just before diffing is executed. If n updates are coalesced into one, this results in just a single request for objects from the data source. Shipped with experiment `IGListExperimentDeferredToObjectCreation` from Ryan Nystrom.  [Maxime Ollivier](https://github.com/maxolls) [(7fc4384)](https://github.com/Instagram/IGListKit/commit/7fc4384a786968027f529ad24b8d821f671d25af)
 
-- Improved performance by using `reloadData` when there are too many diffing updates. Shipped with experiment `IGListExperimentReloadDataFallback` from Ryan Nystrom. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Improved performance by using `reloadData` when there are too many diffing updates. Shipped with experiment `IGListExperimentReloadDataFallback` from Ryan Nystrom. [Maxime Ollivier](https://github.com/maxolls) [(86ecc60)](https://github.com/Instagram/IGListKit/commit/86ecc600856b4199f8a31359140753955f02b5a4)
 
-- Small performance improvement by replacing `NSSet` with `NSArray` during the data update to avoid unnecessary hashing, especially when dealing with lots of large objects with non trivial hashes. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Small performance improvement by replacing `NSSet` with `NSArray` during the data update to avoid unnecessary hashing, especially when dealing with lots of large objects with non trivial hashes. [Maxime Ollivier](https://github.com/maxolls) [(c0cf10d)](https://github.com/Instagram/IGListKit/commit/c0cf10d84c0d41b5c02af3a9f3268e438b8e1e77)
 
-- Lazy initialize the `-emptyViewForListAdapter:` [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Lazy initialize the `-emptyViewForListAdapter:` [Maxime Ollivier](https://github.com/maxolls) [(29d4640)](https://github.com/Instagram/IGListKit/commit/29d464099782813113246da47cb9c7bf4676a311)
 
-- Updated  `IGListAdapterUpdater` to be safer, more performant, and better organized! [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Updated  `IGListAdapterUpdater` to be safer, more performant, and better organized! [Maxime Ollivier](https://github.com/maxolls) [(247e7ca)](https://github.com/Instagram/IGListKit/commit/247e7cac6547d52dbabf0c6fdcb7fa38b00d0e0f)
    - Safely handles `[IGListAdapter setDataSource:]` by also invalidating the `UICollectionView` data.
    - Safely handles `[IGListAdapter setCollectionView:]` by cancelling on-going transactions.
    - Safely handles returning nil `IGListSectionController` from `IGListAdapterDataSource` by dumping objects that don't have a controller before the diffing.
@@ -94,19 +94,19 @@ The changelog for `IGListKit`. Also see the [releases](https://github.com/instag
 
 ### Fixes
 
-- Repaired Swift Package Manager support. [Petro Rovenskyy](https://github.com/3a4oT/)
+- Repaired Swift Package Manager support. [Petro Rovenskyy](https://github.com/3a4oT/) [(#1487)](https://github.com/Instagram/IGListKit/pull/1487)
 
-- `IGListCollectionViewLayout` should get the section/index counts via `UICollectionView` to stay in sync, instead of the `dataSource` [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- `IGListCollectionViewLayout` should get the section/index counts via `UICollectionView` to stay in sync, instead of the `dataSource` [Maxime Ollivier](https://github.com/maxolls) [(677ce77)](https://github.com/Instagram/IGListKit/commit/677ce77ecad11850f61436681ee1d04a5e67e96a)
 
-- Remove `[collectionView layoutIfNeeded]` before scrolling in `[IGListAdapter scrollToObject...]` to avoid creating off-screen cells. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Remove `[collectionView layoutIfNeeded]` before scrolling in `[IGListAdapter scrollToObject...]` to avoid creating off-screen cells. [Maxime Ollivier](https://github.com/maxolls) [(ea03bc9)](https://github.com/Instagram/IGListKit/commit/ea03bc959dcfdc5937655ca471135f874980f0ad)
 
-- Remove `[collectionView layoutIfNeeded]` before updating in `[IGListAdapterUpdater performBatchUpdates...]` to fix occasional glitches. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Remove `[collectionView layoutIfNeeded]` before updating in `[IGListAdapterUpdater performBatchUpdates...]` to fix occasional glitches. [Maxime Ollivier](https://github.com/maxolls) [(aca18c7)](https://github.com/Instagram/IGListKit/commit/aca18c747009c5d2c3825cf0af1ea1d214afba0c)
 
-- Fixed `IGListAdapterUpdaterDelegate` by 1) calling `willReloadDataWithCollectionView` on fallback reloads and 2) making sure `willPerformBatchUpdatesWithCollectionView` is only called when performing a batch update. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Fixed `IGListAdapterUpdaterDelegate` by 1) calling `willReloadDataWithCollectionView` on fallback reloads and 2) making sure `willPerformBatchUpdatesWithCollectionView` is only called when performing a batch update. [Maxime Ollivier](https://github.com/maxolls) [(29bf582)](https://github.com/Instagram/IGListKit/commit/29bf582f479ddf6beb118abc83ba7a8ea87543b0)
 
-- Fixed missing update when calling `performUpdatesAnimated` multiple times quickly and using the `reloadDataFallback()`. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Fixed missing update when calling `performUpdatesAnimated` multiple times quickly and using the `reloadDataFallback()`. [Maxime Ollivier](https://github.com/maxolls) [(a70d2d7)](https://github.com/Instagram/IGListKit/commit/a70d2d70ae8975af5b00f93ae596589b42017c38)
 
-- Request the `UICollectionView` until just-before we update. This way if the `UICollectionView` is changed between update-queue and execution, we guarantee the update is performed on the correct view. Ship with experiment `IGListExperimentGetCollectionViewAtUpdate` from Ryan Nystrom. [Maxime Ollivier](https://github.com/maxolls) (tbd)
+- Request the `UICollectionView` until just-before we update. This way if the `UICollectionView` is changed between update-queue and execution, we guarantee the update is performed on the correct view. Ship with experiment `IGListExperimentGetCollectionViewAtUpdate` from Ryan Nystrom. [Maxime Ollivier](https://github.com/maxolls) [(34c935c)](https://github.com/Instagram/IGListKit/commit/34c935c1a5fee83283beece8f1c6b3d6344f275d)
 
 - Fixed unsigned integer overflow handling in `IGListBatchUpdateData` [Jason Hsu](https://github.com/tuoxie007) [(#1299)](https://github.com/Instagram/IGListKit/pull/1299)