Note: This is in reverse chronological order, so newer entries are added to the top.
-
SwiftPM can now resolve deepndencies from a server compliant with the package registry server API defined in SE-0292.
-
Module aliases can now be defined in the package manifest to disambiguate between modules with the same name originating from different packages.
-
Add a
--disable-testable-imports
flag toswift test
with which tests are built without the testability feature (import @testable
disabled). -
Update to manifest API to make it impossible to create an invalid build settings condition.
-
Enable linker dead stripping for all platforms. This can be disabled with
--disable-dead-strip
-
Update to manifest API to make it impossible to create an invalid target dependency condition.
-
Package plugins of the type
buildTool
can now be declared in packages that specify a tools version of 5.6 or later, and can be invoked using theswift build
command. -
Package plugins of the type
command
can now be declared in packages that specify a tools version of 5.6 or later, and can be invoked using theswift package
subcommand. -
Semantic version dependencies can now be resolved against Git tag names that contain only major and minor version identifiers. A tag with the form
X.Y
will be treated asX.Y.0
. This improves compatibility with existing repositories. -
Both parsing and comparison of semantic versions now strictly follow the Semantic Versioning 2.0.0 specification.
The parsing logic now treats the first "-" in a version string as the delimiter between the version core and the pre-release identifiers, only if there is no preceding "+". Otherwise, it's treated as part of a build metadata identifier.
The comparison logic now ignores build metadata identifiers, and treats 2 semantic versions as equal if and only if they're equal in their major, minor, patch versions and pre-release identifiers.
-
Soft deprecate
.package(name:, url:)
dependency syntax in favor of.package(url:)
, given that an explicitname
attribute is no longer needed for target dependencies lookup. -
Adding a dependency requirement can now be done with the convenience initializer
.package(url: String, exact: Version)
. -
Dependency requirement enum calling convention is deprecated in favour of labeled argument:
.package(url: String, .branch(String))
->.package(url: String, branch: String)
.package(url: String, .revision(String))
->.package(url: String, revision: String)
.package(url: String, .exact(Version))
->.package(url: String, exact: Version)
-
Introduce a second version of
Package.resolved
file format which more accurately captures package identity. -
To increase the security of packages, SwiftPM performs trust on first use (TOFU) validation. The fingerprint of a package is now being recorded when the package is first downloaded from a Git repository or package registry. Subsequent downloads must have fingerpints matching previous recorded values, otherwise it would result in build warnings or failures depending on settings.
-
Location of configuration files (including mirror file) have changed to accomodate new features that require more robust configuration directories structure, such as SE-0292:
<project>/.swiftpm/config
(mirrors file) was moved to<project>/.swiftpm/configuration/mirrors.json
. SwiftPM 5.6 will automatically copy the file from the old location to the new one and emit a warning to prompt the user to delete the file from the old location.~/.swiftpm/config/collections.json
(collections file) was moved to~/.swiftpm/configuration/collections.json
. SwiftPM 5.6 will automatically copy the file from the old location to the new one and emit a warning to prompt the user to delete the file from the old location.
-
In a package that specifies a minimum tools version of 5.5,
@main
can now be used in a single-source file executable as long as the name of the source file isn'tmain.swift
. To work around special compiler semantics with single-file modules, SwiftPM now passes-parse-as-library
when compiling an executable module that contains a single Swift source file whose name is notmain.swift
. -
Adding a dependency requirement can now be done with the convenience initializer
.package(url: String, revision: String)
. -
Adding a dependency requirement can now be done with the convenience initializer
.package(url: String, branch: String)
. -
A more intuitive
.product(name:, package:)
target dependency syntax is now accepted, wherepackage
is the package identifier as defined by the package URL. -
Test targets can now link against executable targets as if they were libraries, so that they can test any data structures or algorithms in them. All the code in the executable except for the main entry point itself is available to the unit test. Separate executables are still linked, and can be tested as a subprocess in the same way as before. This feature is available to tests defined in packages that have a tools version of
5.5
or newer.
-
-
Improvements
Package
manifests can now have any combination of leading whitespace characters. This allows more flexibility in formatting the manifests.SR-13566 The Swift tools version specification in each manifest file now accepts any combination of horizontal whitespace characters surrounding
swift-tools-version
, if and only if the specified version ≥5.4
. For example,//swift-tools-version: 5.4
and// swift-tools-version: 5.4
are valid.All Unicode line terminators are now recognized in
Package
manifests. This ensures correctness in parsing manifests that are edited and/or built on many non-Unix-like platforms that use ASCII or Unicode encodings. -
API Removal
ToolsVersionLoader.Error.malformedToolsVersion(specifier: String, currentToolsVersion: ToolsVersion)
is replaced byToolsVersionLoader.Error.malformedToolsVersionSpecification(_ malformation: ToolsVersionSpecificationMalformation)
.ToolsVersionLoader.split(_ bytes: ByteString) -> (versionSpecifier: String?, rest: [UInt8])
andToolsVersionLoader.regex
are together replaced byToolsVersionLoader.split(_ manifest: String) -> ManifestComponents
. -
Source Breakages for Swift Packages
The package manager now throws an error if a manifest file contains invalid UTF-8 byte sequences.
-
-
The
swiftLanguageVersions
property no longer takes its Swift language versions via a freeform Integer array; instead it should be passed as a newSwiftVersion
enum array. -
The
Package
manifest now accepts a new type of target,systemLibrary
. This deprecates "system-module packages" which are now to be included in the packages that require system-installed dependencies. -
Packages can now specify a dependency as
package(path: String)
to point to a path on the local filesystem which hosts a package. This will enable interconnected projects to be edited in parallel. -
The
generate-xcodeproj
has a new--watch
option to automatically regenerate the Xcode project if changes are detected. This uses thewatchman
tool to detect filesystem changes. -
Scheme generation has been improved:
- One scheme containing all regular and test targets of the root package.
- One scheme per executable target containing the test targets whose dependencies intersect with the dependencies of the exectuable target.
-
SR-6978 Packages which mix versions of the form
vX.X.X
withY.Y.Y
will now be parsed and ordered numerically. -
#1489 A simpler progress bar is now generated for "dumb" terminals.
-
#1485 Support has been added to automatically generate the
LinuxMain
files for testing on Linux systems. On a macOS system, runswift test --generate-linuxmain
. -
SR-5918
Package
manifests that include multiple products with the same name will now throw an error.
-
The generated Xcode project creates a dummy target which provides autocompletion for the manifest files. The name of the dummy target is in format:
<PackageName>PackageDescription
. -
--specifier
option forswift test
is now deprecated. Use--filter
instead which supports regex.
-
The package manager now supports writing Swift 3.0 specific tags and manifests, in order to support future evolution of the formats used in both cases while still allowing the Swift 3.0 package manager to continue to function.
-
Test modules now must be named with a
Tests
suffix (e.g.,Foo/Tests/BarTests/BarTests.swift
). This name also defines the name of the Swift module, replacing the oldBarTestSuite
module name. -
It is no longer necessary to run
swift build
before runningswift test
(it will always regenerates the build manifest when necessary). In addition, it now accepts (and requires) the same-Xcc
, etc. options as are used withswift build
. -
The
Package
initializer now requires thename:
parameter.