Change log

v0.53.0

Remove all instances of bitcode as not supported in Xcode 14: Starting with Xcode 14, bitcode is no longer required for watchOS and tvOS applications, and the App Store no longer accepts bitcode submissions from Xcode 14. #2398 - Thanks to @stareque-atlassian for the contribution!

v0.52.0

Add codegen option for excludes: There is a new property on the codegen configuration options to allow files matching the pattern to be excluded, in the case they are found in the includes path. #2205 - Thanks to @bannzai for the contribution!
Fixed - Using the graphql_transport_ws protocol could result in 4400 errors from the server: The correct protocol message is now being sent to the server to end communication. #2320
Replace print statement with CodegenLogger.log: All codegen output is logged with CodegenLogger which can be disabled if needed. #2348 - Thanks to @hiltonc for the contribution!
Expose GraphQLResultError path string: Adds a new publicly available computed property to GraphQLResultError which just exposes the path description. #2361 - Thanks to @joshuashroyer-toast for the contribution!

v0.51.2

Fixed - APQ Retrying Failing in 0.51.1: Fixes a bug introduced in the last version that broke APQs. Thanks to Kyle Browning for bringing this to our attention.

v0.51.1

Expose request body creation to better support custom interceptors: Enable lazy access to the request body creation for leverage in custom built interceptors, since JSONRequest.toURLRequest() encapsulates the creation. This enables the GraphQLMap to be accessed without re-creating the body. #2184 - Thanks to Rick Fast for the contribution.

v0.51.0

Allow periods in arguments to be ignored when parsing cacheKeys: If your query arguments include periods they will no longer cause broken cache keys. This means the cached data for those queries can be correctly found and returned. The caveat with this change though is that if you use a persisted cache, after the upgrade you could see cache misses and the data would be refetched. #2057 - Thanks to Hesham Salman for the contribution.
Fixed - Sendable class JavaScriptError cannot inherit from another class other than NSObject: Xcode 13.3 introduced some additional requirements for Error types and JavaScriptError did not conform causing compile errors in ApolloCodegenLib. This change disables Sendable type checking for JavaScriptError while maintaining type-safety across concurrency boundaries. #2147 - Thank you to Tiziano Coroneo for the contribution.
Fixed - Watcher using a policy that shouldn't hit the network, can still hit the network: If the cache policy given to the watch(query:cachePolicy:) method of ApolloClient was .returnCacheDataDontFetch it could still trigger a remote fetch of the query. - Thank you to Peter Potrebic for raising the issue.
BREAKING CHANGE - graphql-ws Protocol Support: We've added official support for the graphql-ws library and its graphql-transport-ws protocol. This is a breaking change because the WebSocket initializers now require you to specify which protocol to use.

v0.50.0

Dropped SPM support for Swift 5.2: The minimum version of the Swift tools and language compatibilty required to process the SPM manifest is Swift 5.3. This means a minimum of Xcode version 12 is required for Swift Package Manager support. #1992
Removed unnecessary assertion failure: The completion handler on returnResultAsyncIfNeeded is defined as optional but if not included would cause debug builds to crash with an assertionFailure in the case of a failure of the Result. #2005 - Thank you to Richard Topchii for raising this issue!
CachePolicy.default is now a stored property: It is now easier to configure a different default value for the CachePolicy property on any ApolloClient instance instead of having to override it in a subclass. #1998 - Thank you to Tiziano Coroneo for the contribution!
Exposed cacheKey function as public: The access modifier of this function on GraphQLField has changed from internal to public. It is not recommended to rely on internal behaviour of the cache, and this is subject to change in future major versions. #2014 - Thank you to Peter Potrebic for the discussion!
GET method support for ApolloSchemaDownloader: Introspection-based schema downloads can now be queried using a GET request. #2010 - Thank you to Mike Pitre for the contribution!
Updated to version 2.33.9 of the Apollo CLI: This update will add __typename fields to inline fragments in operations to match the output from the client:push CLI command which used for operation safelisting. This should not affect the behaviour of your operations. #2028.
Updated to version 0.13.1 of SQLite.swift: This update brings in some iOS 14 fixes and new table functionality such as upsert and insertMany. #2015 - Thank you to Hesham Salman for the contribution.

v0.49.1

ApolloSchemaDownloadConfiguration.HTTPHeader initializer was not public: The struct initializer that Swift automatically generates is marked with the internal access level, which meant that custom HTTP headers could not be added to an instance of ApolloSchemaDownloadConfiguration. #1962 - Thank you to Nikolai Sivertsen for the contribution!
Documentation update: Fixed an inline code block that had specified language where such specification is not supported. #1954 - Thank you to Kim Røen for the contribution!
Fix - ApolloCodegenOptions could not find schema input file: - If you created ApolloSchemaDownloadConfiguration and ApolloCodegenOptions objects using only output folders the default output filename for the schema download was different from the default schema input filename for codegen. #1968 - Thank you to Arnaud Coomans for finding this issue!

v0.49.0

Breaking - Schema download is now Swift-based: The dependency on the Apollo CLI (Typescript-based) for schema downloading has been removed. Schema downloading is now Swift-based, outputs GraphQL SDL (Schema Definition Language) by default, and is maintainable/extensible within apollo-ios with full API documentation. This is a breaking change because some of the API signatures have changed. Swift scripting offers a convenient way to perform certain operations that would otherwise require the command line - it's worth a look if you haven't tried it yet. #1935

v0.48.0

Customizable subscription message identifiers: The WebSocketTransport initializer can be configured with a subclass of OperationMessageIdCreator to provide a unique identifier per request. The default implementation is ApolloSequencedOperationMessageIdCreator and retains the current behavior of sequential message numbering. #1919 - Thank you to Clark McNally for the contribution!
AWS AppSync Compatibility: Apollo-ios will now correctly handle the start_ack message that AWS AppSync servers respond with when a subscription is requested. #1919 - Thank you to Clark McNally for the contribution!
Updated to version 2.33.6 of the Apollo CLI: Applies some new vulnerability patches to the CLI, but should not change any output. #1929
Improved documentation: Clarification of cache normalization concepts. #1710 - Thank you to Daniel Morgan for the contribution!

v0.47.1

Fixed - Websocket default implementation not included in ApolloWebSocket via Cocoapods: Thank you to ketenshi for the contribution!

v0.47.0

Breaking - Removed Starscream dependency: Due to dependency management conflicts it has become easier for us to maintain our WebSockets as part of the ApolloWebSockets target instead of an external dependency on a forked version of Starscream. #1906
- Removed Starscream as an external dependency in Cocoapods and Swift Package Manager.
- The DefaultWebSocket implementation has been replaced with WebSocket.
Fixed - clearCache not using the provided callback queue: ApolloClient was not passing the provided callback queue to ApolloStore and therefore the completion block for clearCache was being called on the main queue. #1904, #1901 - Thank you to Isaac Ressler for the contribution!
Removed - Swift playground: The playground has been moved to a separate repository. #1905

v0.46.0

Removed - Swift experimental codegen: The experimental Swift code generation has been removed from main and will instead become available in the release/1.0-alpha-incubating branch until a 1.0 release. #1873
Fixed - Query watcher not being called when the cache is updated on an element by another query/subscrition/mutation: The long-term solution is to integrate web sockets into the request chain but this is an interim fix that allows WebSocketTransport to be configured with a store to update the cache when receiving data. This should not break any workarounds others have already implemented. #1889, #1892 - Thank you to tgyhlsb for the contribution!

v0.45.0

Breaking - Downgraded from Starscream v4 to v3! After upgrading to Starscream 4.0, a lot of our users started to experience crashes while using web sockets. We've decided to revert to the more stable Starscream version 3. In order to fix a few known bugs in Starscream 3, we have made a fork of Starscream that Apollo will depend on going forward. In preparation for moving to Apple WebSockets in the future, we have also fully inverted the dependency on Starscream. Between these two changes, a lot of breaking changes to our Web Socket API have been made:
- The ApolloWebSocketClient protocol was removed and replaced with WebSocketClient.
- WebSocketClient does not rely directly on Starscream anymore and has been streamlined for easier conformance.
- ApolloWebSocket, the default implementation of the WebSocketClient has been replaced with DefaultWebSocket. This implementation uses Starscream, but implementations using other websocket libraries can now be created and used with no need for Starscream.
- WebSocketClientDelegate replaces direct dependency on Starscream.WebSocketDelegate for delegates.
Breaking: Renamed some of the request chain interceptors object:
- LegacyInterceptorProvider -> DefaultInterceptorProvider
- LegacyCacheReadInterceptor -> CacheReadInterceptor
- LegacyCacheWriteInterceptor -> CacheWriteInterceptor
- LegacyParsingInterceptor -> JSONResponseParsingInterceptor
Breaking: WebSocketTransport is now initialized with an ApolloWebSocket (or other object conforming to the ApolloWebSocketClient protocol.) Previously, the initializer took in the necessary parameters to create the web socket internally. This provides better dependency injection capabilities and makes testing easier.
Removed class constraint on ApolloInterceptor and converted to structs for all interceptors that could be structs instead of classes.
Added removeRecords(matching pattern: CacheKey) function to the normalized cache.

v0.44.0

BREAKING: Split ApolloCore into two more granular libraries, ApolloAPI (which will contain the parts necessary to compile generated code) and ApolloUtils (which will contain code shared between Apollo and ApolloCodegenLib). If you were previously importing ApolloCore, in most places you will need to import ApolloUtils. If you're using Carthage, you will need to remove the old ApolloCore xcframework and replace it with the two ApolloAPI and ApolloUtils frameworks. (#1817)
Fixed a stray CocoaPods warning. (#1769)
Updated the Typescript CLI to version 2.32.13. (#1773)
Added the ability to specify a cachePolicy when calling refresh on a GraphQLWatcher. (#1802)

v0.43.0

BREAKING (or hopefully, fixing): We removed our test libraries from our Package.swift file since we're not using it to run tests directly at this time. This prevents SPM from trying to resolve test dependencies that are not actually used in the library, which should reduce any version conflicts. However, if you were using any of our test libs in an unsupported fashion, these will no longer be directly available. (#1745)
Fixed an issue where when Starscream returned multiple errors in close succession, an exponential number of web socket reconnections could be created. (#1762)
Updated class constraints to AnyObject constraints, which should silence a few warnings in 12.5 and be more forward compatible. (#1733)
Added the ability to specify a callback queue for the result handler of GraphQLWatcher. (#1723)
Fixed a crash when closing a web socket connection and re-opening it immediately. (#1740)
You can now skip auto-reconnection for updating the header values and connecting payload in ApolloWebSocket. (#1759)
Now avoids the ? when generating a GET URL if queryItems is empty. (#1729)
Updated use of the default fetch policy to include fetch and watch. Note that under the hood, this does not change what fetch policy was pointed to at this time, it just centralizes the logic. (#1737)

v0.42.0

BREAKING: Finally updates our Starscream dependency to 4.0.x. Note that due to SOCKS proxy support being removed from Starscream, we've correspondeingly removed such support.(#1659)
BREAKING, but only to Swift Scripting: Updated ApolloSchemaOptions to more clearly handle introspection (ie, from a URL) vs registry (ie, from Apollo Studio) requests by using an enum. If you were passing in an endpointURL previously, you need to use the .introspection enum value going forward. Also changed the name of the field to match the new type. (#1691)
BREAKING: Removed CoadableParsingInterceptor and related code designed for new codegen (which is still in progress) since we were wildly over-optimistic on how quickly we'd be using it. (#1670)
Fixed an issue where tasks that were in the canceling state could trigger a No data found for task assertion failure. (#1677)
Fixed an issue with encoding + in GET requests. (#1653)
Fixed an issue where creating GET requests removed existing query params from the URL. (#1687)
Prevented a retain cycle during web socket reconnection. (#1674)
Added better handling for calling cancel on a RequestChain which has already been cancelled. (#1679)

v0.41.0

BREAKING: Fixed an issue in which UploadRequests were not getting headers added via the RequestChainNetworkTransport's additionalHeaders. Please note that if you've subclassed the RCNT, you'll need to update your overrides since we had to add a parameter. (#1644)
Stopped GET requests from sending a Content-Type header, which could cause servers not configured to ignore that header when the body is empty to freak out. (#1649)

v0.40.0

BREAKING: Dropped support for iOS/tvOS < 12, watchOS < 5, and macOS < 10.14. This also involved removing a couple of public functions that were workarounds for support for lower versions. (#1605)
Updated the typescript CLI to version 2.32.1. There may be some structural changes to generated code but it should not actually break anything. Please file bugs immediately if it does. (#1618)

v0.39.0

POSSIBLY BREAKING: Updated swift-tools version to 5.3, and added a fallback version of Package.swift for 5.2. (#1584)
BREAKING, technically: Switched cachePolicy to a var on HTTPRequest. This makes it possible for retries to use a different cache policy, such as when an error has occurred at the network level and you want to fall back to showing what's in the cache without retrying the network call. (#1569)
Added validation in Swift Codegen wrapper that a URL passed in for singleFile code generation is a .swift file and a URL passed in for multipleFiles code generation is a folder. (#1580)

v0.38.3

Fixes an issue that could cause callbacks to fail if a retry was performed in an additionalErrorInterceptor. (#1563)

v0.38.2

Updates a dependency used for Experimental Swift Codegen to use a version to fix an issue with resolution failures

v0.38.1

Updates apollo-tooling version to include a bugfix there. (#1554)

v0.38.0

BREAKING: We've made some significant (~4x) performance improvements to the cache and eliminated all our known Thread Sanitizer issues by removing some overly agressive multithreading and our internal Promises implementation. (#1531) Related Changes:
- POSSIBLY BREAKING: These improvements caused changes in our NormalizedCache and ApolloClientProtocol protocols, so if you're implementing these yourself, you'll need to update.
- BREAKING: Removed the loadRecords(forKeys:) method on ReadTransaction. We'd recommended that you use either read or readObject with the transaction, but if you were using loadRecords, you will need to shift to those other methds.
- NEW: ApolloStore's load(query:resultHandler:) method now also takes an optional callback queue.
NEW: Added the ability to say whether the results from a mutation should be published to the store are not. This is a boolean value which defeaults to true, to match existing behavior. (#1521)
BREAKING: The setter for Atomic's value is no longer public to prevent accidental misuse. If you were using this, use the mutate method instead to ensure the thread lock works properly. (#1538)

v0.37.0

POSSIBLY BREAKING: Updated behavior of URLSessionClient when it's been invalidated to throw an error instead of crashing. If you were relying on this failing loudly before, please be aware it's going to fail a lot more quietly now. (#1489)
Improved performance of loadRecords for the SQLite cache. (#1519)
Added support for use of Apollo as a dynamic lib. (#1483)
Updated the legacy CLI to 2.31.0. (#1510)
Fixed some bugs in our JSONSerialization handling. (#1478)
Fixed an issue with callback queue handling for websockets. (#1507)
Fixed an issue with callback queue handling for errors. (#1468)
Removed a redundant nil check while clearing the cache. (#1508)

v0.36.0

POSSIBLY BREAKING: We removed some default parameters for the ApolloStore from ApolloClient and LegacyInterceptorProvider to prevent an issue where developers could accidentally create these objects with different caches. (#1461)
Added a new parameter to allow the option to not automatically connect a websocket on initialization. (#1458)

v0.35.0

BREAKING: Removed the now-unused-in-the-SDK GraphQLHTTPResponseError type. If you were relying on this class, please copy it out of v0.34.1. (#1437)
BREAKING: Removed default parameters from RequestBodyCreator's default implementation to fix an issue where when default parameters were passed, the compiler would always select the default implementation even if a full alternate implementation was provided. (#1450)
Removed unnecessary manual task clearing when invalidating a URLSession. (#1443)

v0.34.1

Fixes an issue that would cause headers to get lost when sending with useGETForQueries. (#1420)

v0.34.0

SPECTACULARLY BREAKING: As noted in the Beta release notes below, the networking stack for HTTP requests has been completely rewritten. This is described in great detail in the RFC for the networking changes, as well as the updated documentation for Advanced Client Creation and the updated tutorial section on setting up authentication. Thank you all for the excellent feedback and looking forward to hearing about the cool stuff you're able to build with this! (#1386)
REMINDER: If you're using Carthage with Xcode 12, please make sure you're using the workaround script as outlined in the release notes for 0.33.0.

v0.34.0-rc.2

Networking Stack, Release Candidate

Made RequestChainNetworkTransport subclassable and changed two methods to be open so they can be subclassed in order to facilitate using subclasses of HTTPRequest when needed. (#1405)
Made numerous improvements to creating upload requests - all upload request setup is now happening through the UploadRequest class, which is now open for your subclassing funtimes. (#1405)
Renamed RequestCreator to RequestBodyCreator to more accurately reflect what it's doing (particularly in light of the fact that we didn't have a Request in the old networking stack, and now we do), and renamed associated properties and parameters. (#1405)

v0.34.0-rc.1

Networking Stack, Release Candidate

Added some final tweaks:
- Updated ApolloStore to take a default cache of the InMemoryNormalizedCache.
- Updated LegacyInterceptorProvider to take a default store of the ApolloStore with that default cache.
- Added a method to InterceptorProvider to provide an error interceptor, along with a default implementation that returns nil.
- Updated JSONRequest to be open so it can be subclassed.
This is now at the point where if there are no further major bugs, I'd like to release this - get your bugs in ASAP! (#1399

v0.34.0-beta2

Networking Stack, Beta 2

Merges 0.33.0 changes into the networking stack for Swift 5.3 and Xcode 12.

v0.33.0

Adds support for Xcode 12 and Swift 5.3. (#1280)
Adds workaround script for Carthage support in Xcode 12. Please see Carthage-3019 for details. TL;DR: cd into [YourProject]/Carthage/Checkouts/apollo-ios/scripts and then run ./carthage-build-workaround.sh to actually get Carthage builds that work. (#yolo committed to main)

0.33.0-beta1

Networking Stack, Beta 1

SPECTACULARLY BREAKING: The networking stack for HTTP requests has been completely rewritten. This is described in great detail in the RFC for the networking changes, as well as the updated documentation for Advanced Client Creation. Please, please, please file bugs or requests for clarification of the docs as soon as possible. Note that all changes until the networking stack comes out of beta will live on the betas/networking-stack branch. (#1341)

v0.32.1

Improves invalidation of a URLSesionClient to include cancellation of in-flight operations. (#1376)

v0.32.0

Fixes an issue that would occur when a GraphQL query watcher's dependent keys would not get updated. (#1375)
Adds an extensions dictionary property to GraphQLResult. (#1370)
Makes a couple of response parsing helpers public for advanced use cases. (#1372)

v0.31.0

Adds the ability to pause and resume a WebSocket connection without dumping existing subscriptions. (#1335)
Adds an initializer to SQLiteNormalizedCache that takes a SQLite.swift DatabaseConnection to more easily allow setup of pre-configured connections. (#1330)
Addresses a retain cycle that could cause memory leaks when using multiple instances of HTTPNetworkTransport.

NOTE: If you're using URLSessionClient outside the context of HTTPNetworkTransport, make sure to call invalidate() on it when whatever is holding onto it hits deinit() to prevent leaks. (#1366)

v0.30.0

BREAKING: Updates the CLI to 2.30.1 to fix a long-standing issue where when generating operation IDs and their related JSON file, the correct operations + fragments would be used in generating the operation ID, but not output with the JSON file. This will slightly change the output in API.swift, but it also means we can remove a related workaround from the iOS SDK. (#1316)
BREAKING: Removed the Cartfile which declared our dependencies, since we're now internally managing them with SPM, and newer versions of Carthage just use the SPM dependencies. Note that this can cause issues if you need to use a fork of dependencies, or if you're using an older version of Carthage. (#1311)
POSSIBLY BREAKING: Works around an issue that could cause some attempts to store untyped JSON dictionaries to throw unexpected errors about optional encoding. This also added handling of creating a dictionary from a JSONValue, which may cause problems if you've already implemented this yourself, but which should mostly just replace the need to implement it yourself. Please file issues ASAP if you run into problems here. (#1317)
Works around an issue causing some attempts to store arrays of JSON dictionaries to have arbitrary key ordering. (#1281)
Adds clearer error descriptions to a few errors. (#1295)

v0.29.1

Updates the CLI to 2.28.3 to fix an issue where linter failures would cause a silent failure exit. (#1284, #1288](apollographql#1288))
Adds a check to swift scripting that the downloaded file has the correct SHASUM, otherwise forcing redownload. (#1288)

v0.29.0

NEW: Swift scripting is officially out of Beta! Please check out our updated guide to integration. The tutorial should be updated to recommend using Swift Scripting within the next week or so. NOTE: The shell script is not deprecated yet, but will be shortly. (#1263)
BREAKING: Found some workarounds to conditional conformance and updated all extensions to use the apollo.extensionMethod syntax introduced in 0.28.0. (#1256)
BREAKING: Moved a few things into the new ApolloCore library. For CocoaPods and SPM users, this should be automatically picked up by your package manager. Carthage users, you will need to drag the new ApolloCore library into your project manually as you have with the other Apollo libs. (apollographql#1256)
BREAKING: Updated to version 2.28.0 of the Apollo JS CLI. This includes moving a bunch of static let allocations to computed static vars to prevent memory overuse. (#1246)
Made GraphQLGetTransformer and its methods public and made a couple more methods on MultipartFormData public. (#1273)
Fixes an issue when uploading multiple files for different variables. (#1279, special thanks to #1081)
Fixes a crash when encoding GraphQLVariable objects which conform to JSONEncodable. (#1262)

v0.28.0

BREAKING: Changed a few things in the ApolloCodegen library to use object.apollo.extensionMethod syntax rather than object.apollo_extensionMethod. There's a few things that are still using apollo_ notation due to constraints around conditional conformance, but you should particularly check your swift scripts for changes around FileManager APIs. (#1183)
BREAKING: NormalizedCache now has a method for explicitly clearing the cache synchronously, in addition to the existing method to clear it asynchronously. If you've got a custom NormalizedCache implementation, you'll need to add an implementation for this method. (#1186)
Fixed race conditions in URLSessionClient that were causing unexpected behavior. Turns out concurrency is hard! (#1227)
Improved handling of a dependent key update cancelling an in-flight server fetch on a watcher. (#1156)
Added option to Swift Codegen to pass in a prefix for custom scalars. (#1216)
Added ability to change a header on a websocket connection and automatically reconnect. (#1224)

v0.27.1

Better defense against multithreading crashes in URLSessionClient. (#1184)
Fix for watchOS availability for URLSessionClient. (#1175)

v0.27.0

BREAKING: Replaced calls directly into the closure based implementation of URLSession with a delegate-based implementation called URLSessionClient.
- This (finally) allows background session configurations to be used with ApolloClient, since background session configurations immediately error out if you try to use the closure-based URLSession API.
- This makes a significant change to the initialization of HTTPNetworkTransport if you're using a custom URLSession: Because URLSession must have its delegate set at the point of creation, URLSessionClient is now creating the URL session. You can initialize a URLSessionClient with a URLSessionConfiguration. if before you were using:
```
let session = URLSession(configuration: myCustomConfiguration)
let url = URL(string: "http://localhost:8080/graphql")!
let transport = HTTPNetworkTransport(url: url,
                                     session: session)
```
  You will now need to use:
```
let client = URLSessionClient(sessionConfiguration: myCustomConfiguration)
let url = URL(string: "http://localhost:8080/graphql")!
let transport = HTTPNetworkTransport(url: url,
                                     client: client)
```
- If you were passing in a session you'd already set yourself up to be the delegate of to handle GraphQL requests, you'll need to subclass URLSessionClient and override any delegate methods off of URLSessionDelegate, URLSessionTaskDelegate, or URLSessionDataDelegate you need to handle. Unfortunately only one class can be a delegate at a time, and that class must be declared when the session is instantiated.
  
  Note that if you don't need your existing delegate-based session to do any handling for things touched by Apollo, you can keep it completely separate if you'd prefer.
- This does not change anything at the point of calls - everything is still closure-based in the end
  
  Please file bugs on this ASAP if you run into problems. Thank you! (#1163)

v0.26.0

BREAKING, though in a good way: Updated the typescript CLI to 2.27.2, and updated the script to pull from a CDN (currently backed by GitHub Releases) rather than old Circle images. This should significantly increase download performance and stability. (#1166)
BREAKING: Updated the retry delegate to allow more fine-grained control of what error to return if an operation fails in the process of retrying. (#1128, #1167)
Added support to the Swift scripting package to be able to use multiple headers when downloading a schema. (#1153)
Added the ability to set the SSL trust validator on a websocket. (#1124)
Fixed an issue deserializing custom scalars in ApolloSQLite. (#1144)

v0.25.1

Repoints download link to our CDN for the CLI for people on 0.25.0 who can't upgrade to 0.26.0 or higher immediately.

v0.25.0

BREAKING: Updated the swift-tools version to 5.2 in Package.swift. Note that if you're using swift-tools 5.2, you'll need to update the syntax of your Package.swift file and specify the name of the library manually for Apollo. (#1099, #1106)
POSSIBLY BREAKING: Upgraded the typescript CLI to 2.26.0. No changes were found in test frameworks, but this could theoretically break some stuff. (#1107, #1113)
NEW: Added the ability to set Starscream's underlying enableSOCKSProxy to better allow debugging web sockets in tools like Charles Proxy. (#1108)
Fixed several issues using paths with spaces in the Swift Codegen. (#1092, #1097).
ApolloCodegenLib is now properly passing the header argument last when downloading a schema. (#1096)
Automatic Persisted Queries now also work with mutations. (#1110)

v0.24.1

Repoints download link to our CDN for the CLI for people on 0.24.0 who can't upgrade to 0.26.0 or higher immediately.

v0.24.0

BREAKING: Updated GraphQLResponse to be generic over the response type rather than the operation type. This will allow more flexibility for generic modifications to methods that need to use GraphQLResponse. (#1061)
BREAKING: Updated the file URL-based initializer of GraphQL to throw with a clear error instead of failing silently. Removed the ability to pass in an input stream since that can't be recreated on a failure. Updated initializers take either raw Data or a file URL so that the input stream can be recreated on a retry. (#1086, #1089)
In the Swift Package Manager based codegen, made sure that the folder the CLI will be downloaded to is created if it doesn't exist. (#1069)

v0.23.3

Repoints download link to our CDN for the CLI for people on 0.23.x who can't upgrade to 0.26.0 or higher immediately.

v0.23.2

Changed the @available flags added in 0.23.1 to #if os(macOS), since the former is runtime and the latter is compile time, to work around a bug where SwiftUI compiles the ApolloCodegenLib library even if it's not included in the target being previewed. (#1066)
Added support for omitDeprecatedEnumCases command line option I missed for ApolloCodegenOptions (#1053)

v0.23.1

Added some @available flags to prevent accidental compilation of ApolloCodegenLib on platforms other than macOS. (#1041)
Made the Query on GraphQLQueryWatcher public so it can be referenced. (#1037)

v0.23.0

BETA: Now available, SPM-based code generation, Phase 0 of our transition to Swift Codegen.

Note that the underlying codegen is still using apollo-tooling, but that will change as we proceed with Phase 1 of the Swift Codegen Project, generating the code in Swift.

Documentation is available at our Swift Scripting page.

When this gets to the final version this will supersede existing codegen, so please file bugs galore on this so we can get it good to go as quickly as possible. Thank you! (#940, #1033)\
Fixed some memory leaks in our internal Promises implementation. (#1016)

v0.22.1

Repoints download link to our CDN for the CLI for people on 0.22.0 who can't upgrade to 0.26.0 or higher immediately.

v0.22.0

BREAKING: Updated CLI to v2.22.1, including a bunch of fixes on the Swift side:
- Marked files which are generated as @generated
- Added documentation to the constructors of input structs
- Added additional type annotations to improve compile times.
BREAKING: Updated delegate in HTTPNetworkTransport to be a weak var and to not be passed in as a parameter to the initializer. (#990, #1002)
Added a lock to InMemoryNormalizedCache to reduce possible race conditions. (#552)
Added the ability to not send duplicates on a websocket. (#1004)
Fixed an issue that could lead to an undefined cache key in the SQLite library. (#991)
Fixed an issue where existing fetch operations in a watcher would not be canceled before a new one was started. (#1012)

v0.21.1

Repoints download link to our CDN for the CLI for people on 0.21.0 who can't upgrade to 0.26.0 or higher immediately.

v0.21.0

BREAKING, but by popular request: Removed the requirement that the clientName and clientVersion on NetworkTransport, and added a default implementation so custom implementations don't need to set these up themselves. (#954)

v0.20.1

Repoints download link to our CDN for the CLI for people on 0.20.0 who can't upgrade to 0.26.0 or higher immediately.

v0.20.0

Fixed a bunch of data races in ApolloWebSocket. (#880)
Updated ApolloWebSocket to depend on Apollo in Package.swift since there is a dependency there. (#906)
POSSIBLY BREAKING Updated Swift tools version in package declaration to 5.1. (#883)

v0.19.1

Repoints download link to our CDN for the CLI for people on 0.19.0 who can't upgrade to 0.26.0 or higher immediately.

v0.19.0

NEW: Added a retry delegate to allow retries based on GraphQL errors returned from your server, not just network-level errors. NOTE: Be careful with which errors you retry for - the mere presence of an error doesn't necessarily indicate a full failure since GraphQL queries can return partial results. (#770)
NEW: Automatically generates ApolloEngine/ApolloGraphManager headers based on your main bundle's ID and version number. These can also be configured when you set up your NetworkTransport if you need something more granular for different versions of your application. (#858)
POSSIBLY BREAKING: The NetworkTransport protocol is now class-bound. If you built your own NetworkTransport implementation instead of one of the ones included with the library, this now must be a class instead of a struct. (#770)
POSSIBLY BREAKING: Removed an unzip method for arrays of arays which we were not using. However, since it was public, we figured we should let you know. (#872)
Bumped Starscream dependency to 3.1.1. (#873)

v0.18.2

Repoints download link to our CDN for the CLI for people on 0.18.x who can't upgrade to 0.26.0 or higher immediately.

v0.18.1

Removes TSAN from run on schemes to fix Carthage issue. (#862)

v0.18.0

POSSIBLY BREAKING: Updated CLI to no longer be directly bundled, but to be downloaded if needed. This allows us to avoid bloating the iOS repo with the CLI zip, and to make it easier to test different versions of the CLI in the future. This change should automatically download the updated CLI version for you.

Note one significant change from prior bundled versions: If you are connected to the internet when you download the iOS dependency through SPM/Carthage/CocoaPods, you will now need to build your target while still connected to the internet in order to download the proper version of the CLI. Once the correct version of the CLI is downloaded, internet access should no longer be necessary to build. If you disconnect from the internet before the correct version downloads, you will not be able to build. (#855)
Updated version of CLI to download to 2.21.0. (#855) This includes:
- Ability to have the codegen ignore deprecated enum cases by using the --omitDeprecatedEnumCases flag
- Fix for generating input fields for null values
Fixes a number of weak references with closures. Note that this may reveal some places you weren't hanging onto a strong reference to your ApolloClient object, which will cause it to get deallocated. (#854)

v0.17.0

NEW: Support for Automatic Persisted Queries. This feature allows you to send the hash of a query to your server, and if the server recognizes the hash, it can perform the whole query without you having to send it again. This is particularly useful for large queries, since it can reduce the amount of data you have to send from your user's device pretty significantly. (#767)
BREAKING: Removed old script files which have been deprecated. If you were still using these, please check out the updated codegen build step setup instructions to get up and running with the run-bundled-codegen script. (#820)
POSSIBLY BREAKING: Updated bundled CLI to v2.19.1. Please check out the CLI changelog for full details, but this version actually moves to using multi-line Swift strings for queries. If you prefer to have condensed queries, it also introduces a --suppressSwiftMultilineStringLiterals flag which produces single-line queries stripped of whitespace. (#831)
Fixed a couple places we were not using LocalizedError properly. (#818)

v0.16.1

Updated the way run-bundled-codegen checks whether the bundled codegen has already been unzipped and has node locally. (#806)
Updated how default parameters are provided for RequestCreatorProtocol. (#804)

v0.16.0

BREAKING: We've switched to a much simpler setup which does not involve NPM in order to use our CLI. This requires updating your build scripts. Please follow the updated instructions for setting up the build script here. The existing build script will continue to work until the next minor release, at which point it will be removed. (#766)
Included CLI version fixes issues which showed up in 0.15.2.
BREAKING: We've removed all public references to our internal Promise implementation, which was never intended to be public. (#709)
Fixed a deadlock in a transaction. (#763, #365)
Added a RequestCreatorProtocol to allow you to more easily muck with and/or mock creating multipart requests. (#771)
Fixed an issue causing problems building with SPM in Xcode 11. (#784)

v0.15.3

Revert CLI update from 0.15.2 due to unexpected build issues.

v0.15.2

Update Apollo CLI requirement to 2.18. This should pull in a couple fixes to the CLI:
- Way better escaping of identifiers, types, and strings (Tooling #1515)
- Fix compiler warning when an optional has a .none case (Tooling #1482)
If you run into any weird build issues after this update, try deleting your local node_modules folder and rebuilding before filing an issue. (#760)
Better handling of the localizedDescription for HTTPResponseError. (#756)

v0.15.1

Add platform name to framework bundle identifier to work around a change to app store submission. Please see the PR for more details. (#751)
Expose the initializer for GraphQLQueryWatcher so it can actually be instantiated. (#750)

v0.15.0

BREAKING: Finally swapped out URLSessionConfiguration on initializer for HTTPNetworkTransport to use URLSession directly instead. If you were previously passing in a configuration, first hand it to a URLSession instance and then pass that instance into the initializer.

This allows many new things including:
- Support for background sessions
- Easier mocking through NSURLProtocol
- Certificate pinning
- Self-signed certificates
- Metrics inspection
- Authentication challenge handling

All these are pretty much entirely through the ability to use URLSessionDelegate directly since we're now accepting a URLSession you can declare yourself to be the delegate of rather than just the configuration. (#699, inspired by #265)

BREAKING, though hopefully in a good way: Significant updates to the Upload functionality to make it conform more closely to the GraphQL Upload Spec. Also added a goodly bit of documentation around this functionality. (#707)
Way better support for Swift Package Manager, especially for ApolloSQLite and ApolloWebSocket. (#674)
Created ApolloClientProtocol to match all public methods of ApolloClient for easier mocking. (#715, inspired by #693)

v0.14.0

BREAKING Updated codegen to use 2.17 of the Apollo CLI. Please see the full release notes for that version of the CLI, but in short:
- Stops force-unwrapping and instead nil-coalesce to .none when the thing being unwrapped was a double-optional, which was causing some crashes
- Fixes issue where removing redundant modifiers was a little too aggressive
- Fixes escaping for Self as a type name
- Adds CaseIterable for all known cases of an enum. If you were adding this yourself previously, you'll have to take it back out.
- Adds comment with original operation to operationDefinition, stripped excess whitespace from actual definition.
Added explicit support for Catalyst builds. (#688)
Added support for Int custom scalars. (#402)
Exposed clearCache directly on stores so a store being used by multiple clients can be more explicitly cleared. (#518)
Fixed an issue where an error on cache write would not be propagated correctly. (#673)
Updated supported Node version to the Long-Term Support version. (#672)

v0.13.0

PLEASE READ THESE RELEASE NOTES BEFORE INSTALLING IF YOU WERE USING AN OLDER VERSION!

SUPER-BREAKING: Updated a ton of completion closures that could use it to use Result instead of optional parameter / optional error. (#644). There are a few details to this one to be particularly aware of:
- If you see a bunch of Swift build errors that are claiming Generic Parameter "Query" could not be inferred, that means you need to update your completion closure to take the single Result<Parameter, Error> parameter instead of the two (Parameter?, Error?) parameters.
- Particularly around caching, if there are places where both parameters were nil in previous iterations, you will now get an Error. This will generally be a JSONDecodingError.missingValue, either as the direct error or as the underlying error of a GraphQLResultError. Please check out the changes to FetchQueryTests in PR #644 for a better look at how some of that has changed.
BREAKING: Updated the codegen to use v2.16 of the Apollo CLI. (#647). This is a major version change so some things need to be added, and some parameter names have changed:
- You must add --target=swift so the CLI knows to generate Swift code.
- If you were using --schema=schema.json, use --localSchemaFile="schema.json" instead (the quotes are required!).
- If you were using --queries="$(find . -name '*.graphql')" to pass in an array of all your GraphQL files, use --includes=./*.graphql instead.
If you get error messages about multiple versions of node when you attempt to run, delete the node_modules folder in your source root and rebuild.

Upgrading fixes several issues:
- operationName is now generated for all operations.
- Trailing newlines are now added to all generated files.
NEW: Ability to upload files according to the GraphQL Multi-part request spec. (#626, #648, inspired by #116)
NEW: Now that operationName is generated for all operations, we're sending it along with all requests. (#657, inspired by #492)
NEW: We're also sending operationName as the X-APOLLO-OPERATION-NAME header and when an operationIdentifier is provided, sending that as the X-APOLLO-OPERATION-ID header. (#658)
NEW: Option to run VACUUM on your SQLite store when clearing to help obliterate all traces of data. (#652)
NEW: Auto-generated API documentation from inline comments. Now available on the website NOTE: Any manual changes made to markdown files will get overwritten, if you want to contribute to the docs, please add inline comments to the code and then I'll get the docs updated. (#642).
Made GraphQLResultError and its underlying error public for better error handling. (#655)

v0.12.0

BREAKING: Removed internal Result type in favor of Swift's built in Result type. This allows you to not have to prefix anything that uses the built-in result type with Swift.Result in places where you're using the Apollo SDK. (#641)
BREAKING: Set strict dependency versions for Starscream and SQLite.swift to prevent potential problems with Swift version conflicts. (#641).
BREAKING: Made Carthage dependencies for Starscream and SQLite.swift private so they're not automatically pulled in when trying to build just the main SDK with Carthage. If you're using the ApolloSQLite or ApolloWebSocket frameworks with Carthage, please read the updated documentation!. (#635, #641)
Fixed issue where GET requests were requiring AnyHashable instead of Any which made requests with Bool properties never send. (#628, big thanks to #624)

v0.11.1

Fixed missing Foundation imports for several classes that were causing issues with Buck and Swift Package Manager builds. (#620)
Updated version of SQLite.swift dependency to one that properly supports Swift 5. (#621)
Whole mess o'documentation updates. (#618)
Fixed a whitespace issue with one of the build scripts. (#618)
Made the GraphQLResult initializer public for testing. (#544)

v0.11.0

BREAKING: Updated Podspec to preserve paths rather than embedding scripts in the framework. Updated instructions for embedding with CocoaPods. (#575, #610)
NEW: At long last, the ability to update headers on preflight requests, the ability to peer into what came to the URLSession and the ability to determine if an operation should be retried. (#602)
NEW: Added .fetchIgnoringCacheCompletely caching option, which can result in significantly faster performance if you don't need the caching. (#551)
NEW: Added support for using GET for queries. (#572, #599, #602)
Updated lib and dependencies to use Swift 5, and say so in the Podfile. (#522, #528, #561, #592)
Exposed a method to ping a WebSocket server to keep it alive. (#422)
Handling is always done on a handler queue. (#539)
Added documentation on the read and update operations for watching queries. (#452)
Updated build scripts for non-CocoaPods installations to account for spaces in project names or folders. (#610)
Fixed a code generation fail if you're using MacPorts instead of Homebrew to install npm. (#591)

v0.10.1

Disabled bitcode in Debug builds for physical devices (#499)
Don't embed the Swift standard libraries by default (#501)

v0.10.0

Swift 5 support (#427, #475)
Update to newest version of Starscream (#466
Add ability to directly update cache with write methods (#413)
Add docs for read and update operations (#452)

v0.9.5

Add ability to pass params to Query.Data (#437)
Provide separate archs for the iOS Simulator (#410)
Actually install the correct version of Node instead of just checking for it (#434)

v0.9.4

Updated required version of apollo-cli to 1.9. A nice addition to 1.9.2 is that Swift Enums now conforms to Hashable enabling among other things comparison between fetch objects. (#578)
Fixed internal bug that caused infinite reconnection cycle when connection is lost. A reconnectionInterval was added as a workaround. (#368)
Fixed internal bug that prevents the wrongType case being returned by the JSONDecodingError implementation of Matchable. (#367)
Added delegate for WebTransport which can handle connection/reconnection/disconnection events of websocket. (#379)

v0.9.1

Since apollo-codegen is now part of the new apollo-cli, the build script used to generate API.swift needs to be updated. See the docs for the updated script.

v0.6.0

Added read and write functions for fine-grained manual store updates.
Added support for pluggable asynchronous caches, with an optional experimental SQLite implementation.
Fragments are now merged into the parent result, so you only need to go through fragments when you want to pass a fragment explicitly.
Generated result models are no longer immutable (but still obey value semantics).
Generated result models now have memberwise initializers (when they represent a concrete type) or type-specific factory methods (when they represent multiple possible types).
Any generated result model can be safely initialized from a JSON object (init(jsonObject:) and converted into a jsonObject.
Generated input objects now differentiate between a property being null and a property not being present.

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