The new journey begins

Road to Angular v9: 9.0.0-next.3 improves Ivy performance

August 22, 2019 JAX Editorial Team

#Angular

Now that Angular v8 is here, it’s time to embark on a new journey: towards the next release! It’s never too soon to look forward to the future, and we are already watching for Angular v9. What’s new? The latest update includes some performance improvements for ivy, a few new features, bug fixes, and one breaking change.

One more Angular update for the road!

Version 9.0.0-next.3 brings with it one new breaking change, performance improvements for ivy, a few new features, and a handful of bug fixes. This is a larger update than the past few, so let’s take a look at what it includes.

Have a pull request in mind? Before you start a new PR, compare the different branches with this handy GitHub feature.

Features

core: add undecorated classes migration schematic (#31650) (024c31d)
forms: formControlName also accepts a number (#30606) (628b0c1)
compiler: allow selector-less directives as base classes in View Engine (#31379) (4055150)
ivy: support selector-less directive as base classes in Ivy (#32125) (cfed0c0), closes #31379
ivy: make the Ivy compiler the default for ngc (#32219) (ec4381d)
ivy: convert all ngtsc diagnostics to ts.Diagnostics (#31952) (0287b23)

Performance Improvements

core: make sanitization tree-shakable in Ivy mode (#31934) (2e4d17f)
ivy: auto-call select(0) for non-empty views only (#32131) (4d549f6)
ivy: avoid first template pass checks during view creation (#32120) (4c3b791)
ivy: avoid for-of loops at runtime (#32157) (abb44f7)
ivy: improve NaN checks in change detection (#32212) (53bfa7c)
ivy: interpolation micro-benchmark (#32104) (be665d8)
ivy: noop change detection micro-benchmark (#32104) (c422c72)
don’t create holey arrays (#32155) (6477057)
ivy: read selected index only when need in prop bindings (#32212) (53f33c1)
ivy: split hooks processing into init and check phases (#32131) (1062960)
ivy: split view processing into render (create) and refresh (update) pass (#32020) (b9dfe66)

Bug Fixes

bazel: pin [@microsoft](https://github.com/microsoft)/api-extractor (#32187) (5da5ca5)
common: update $locationShim to notify onChange listeners before emitting AngularJS events (#32037) (5064dc7)
compiler: return enableIvy true when using readConfiguration (#32234) (424ab48)
ivy: get name directly from nativeNode (#32198) (3dbc4ab)
ivy: handle empty bindings in template type checker (#31594) (0db1b5d), closes #30076 #30929
ivy: in ngcc, handle inline exports in commonjs code (#32129) (02bab8c)
ivy: ngcc should only index .d.ts exports within the package (#32129) (964d726)
ivy: ngTemplateOutlet error when switching between null and template value (#32160) (c2868de), closes #32060
ivy: run template type-checking for all components (#31952) (bfc26bc)
language-service: Instantiate MetadataResolver once (#32145) (6a0b1d5)
language-service: Remove ‘context’ used for module resolution (#32015) (a91ab15)
ngcc: handle deep imports that already have an extension (#32181) (4bbf16e), closes #32097
ngcc: ignore format properties that exist but are undefined (#32205) (f8b995d), closes #32052 #32188

BREAKING CHANGES

ivy: make Hammer support tree-shakable. Previously, in Ivy applications, Hammer providers were included by default. With this commit, apps that want Hammer support must import HammerModulein their root module. (#32203) (de8ebbd)

Update August 13, 2019

9.0.0-next.2

Bug Fixes

bazel: disable treeshaking when generating FESM and UMD bundles (#32069) (4f37487)
compiler: do not remove whitespace wrapping i18n expansions (#31962) (0ddf0c4)
ivy: reuse compilation scope for incremental template changes. (#31932) (eb5412d), closes #31654

Performance Improvements

ivy: don’t read global state when interpolated values don’t change (#32093) (6eb9c2f)

8.2.2

Bug Fixes

bazel: disable treeshaking when generating FESM and UMD bundles (#32069) (3420d29)

Update August 13, 2019

9.0.0-next.1

Bug Fixes

language-service: getSourceFile() should only be called on TS files (#31920) (e8b8f6d)
language-service: Make Definition and QuickInfo compatible with TS LS (#31972) (a8e2ee1)
upgrade: compile downgraded components synchronously (if possible) (#31840) (c1ae612), closes #27217 #30330

8.2.1

Bug Fixes

upgrade: compile downgraded components synchronously (if possible) (#31840) (04ebd59), closes #27217 #30330

Update July 31, 2019

8.2.0-rc.0

Bug Fixes

bazel: increase memory limit of ngc under bazel from 2 to 4 GB (#31784) (5a8eb92)
core: allow Z variations of CSS transforms in sanitizer (#29264) (78e7fdd)
elements: handle falsy initial value (#31604) (7151eae), closes angular/angular#30834
platform-browser: debug element query predicates not compatible with strictFunctionTypes (#30993) (10a1e19)

Features

bazel: compile targets used for indexing by Kythe with Ivy (#31786) (82055b2)
upgrade: support $element in upgraded component template/templateUrl functions (#31637) (29e1c53)

Performance Improvements

compiler: avoid copying from prototype while cloning an object (#31638) (24ca582), closes #31627

8.1.3

Bug Fixes

elements: handle falsy initial value (#31604) (434b796), closes angular/angular#30834

Performance Improvements

compiler: avoid copying from prototype while cloning an object (#31638) (1f3daa0), closes #31627

Update July 18, 2019

Bug Fixes

use the correct WTF array to iterate over (#31208) (9204de9)
bazel: pass custom bazel compiler host rather than rewriting one (#31496) (0c61a35)
compiler-cli: Return original sourceFile instead of redirected sourceFile from getSourceFile (#26036) (3166cff), closes #22524
language-service: Eagarly initialize data members (#31577) (0110de2)

Bug Fixes

use the correct WTF array to iterate over (#31208) (4aed480)
compiler-cli: Return original sourceFile instead of redirected sourceFile from getSourceFile (#26036) (13dbb98), closes #22524
core: export provider interfaces that are part of the public API types (#31377) (bebf089), closes /github.com/angular/angular/pull/31377#discussion_r299254408 /github.com/angular/angular/blob/9e34670b2/packages/core/src/di/interface/provider.ts#L365-L366 /github.com/angular/angular/blob/9e34670b2/packages/core/src/di/interface/provider.ts#L283-L284 /github.com/angular/angular/blob/9e34670b2/packages/core/src/di/index.ts#L23

Update 11, July

8.2.0-next.1

Features

core: add automatic migration from Renderer to Renderer2 (#30936) (c095597)

Bug Fixes

bazel: revert location of xi18n outputs to bazel-genfiles (#31410) (1d3e227)
compiler: give ASTWithSource its own visit method (#31347) (6aaca21)

Compare between 8.2.0-next.0 and 8.2.0-next.1 here on GitHub to see what commits have been made.

8.1.1

core: export provider interfaces that are part of the public API types (#31377) (bebf089), closes /github.com/angular/angular/pull/31377#discussion_r299254408 /github.com/angular/angular/blob/9e34670b2/packages/core/src/di/interface/provider.ts#L365-L366 /github.com/angular/angular/blob/9e34670b2/packages/core/src/di/interface/provider.ts#L283-L284 /github.com/angular/angular/blob/9e34670b2/packages/core/src/di/index.ts#L23

Update 3, July

8.2.0-next.0

Features

bazel: allow passing a custom bazel compiler host to ngc compile (#31341) (a29dc96)
bazel: allow passing and rewriting an old bazel host (#31381) (11a208f), closes #31341

Bug fixes

core: handle undefined meta in injectArgs (#31333) (80ccd6c), closes CLI #14888
service-worker: cache opaque responses in data groups with freshness strategy (#30977) (d7be38f), closes #30968
service-worker: cache opaque responses when requests exceeds timeout threshold (#30977) (93abc35)

8.1.0

Bug fixes

core: handle undefined meta in injectArgs (#31333) (80ccd6c), closes CLI #14888
service-worker: cache opaque responses in data groups with freshness strategy (#30977) (b0c3453), closes #30968
service-worker: cache opaque responses when requests exceeds timeout threshold (#30977) (a9038ef)

Update 27, June

8.1.0-rc.0

Features

upgrade: provide unit test helpers for wiring up injectors (#16848) (3fb78aa)

Bug Fixes

bazel: exclude all angular schematics folders from metadata build (#31237) (16717fa), closes #31235
bazel: remove unsupported Css pre-processors from ng new (#31234) (e83667a), closes #31209
bazel: update ng new schema to match the current ng new schema of @schematics/angular (#31234) (805fc86), closes #31233
compiler: fix Elements not making a new ParseSourceSpan (#31190) (7035f22)
compiler: stringify Object.create(null) tokens (#16848) (5e53956)
service-worker: registration failed on Safari (#31140) (a5dd4ed), closes #31061

8.0.3

Bug Fixes

bazel: exclude all angular schematics folders from metadata build (#31237) (6bad2ca), closes #31235
bazel: remove unsupported Css pre-processors from ng new (#31234) (980bcaf), closes #31209
bazel: update ng new schema to match the current ng new schema of @schematics/angular (#31234) (48f7f65), closes #31233
service-worker: registration failed on Safari (#31140) (f470e69), closes #31061

Update 24, June

8.1.0-next.3

bazel: builder workspace should use nodejs v10.16.0 (#31088) (a1fc4de)
core: temporarily remove @deprecated jsdoc tag for a TextBedStatic.get overload (#30714) (6bc9c78), closes #30514
language-service: Remove ‘any’ in getQuickInfoAtPosition (#31014) (a4601ec)

8.0.2

bazel: builder workspace should use nodejs v10.16.0 (#31088) (c198dc6)
core: temporarily remove @deprecated jsdoc tag for a TextBedStatic.get overload (#30714) (0a7aebb), closes #30514
language-service: Remove ‘any’ in getQuickInfoAtPosition (#31014) (7f21449)

Update 14, June

8.1.0-next.2

bazel: do not modify tsconfig.json (#30877) (b086676)
bazel: exclude components schematics from build (#30825) (05a43ca)
bazel: Load global stylesheet in dev and prod (#30879) (17bfedd)
common: expose the HttpUploadProgressEvent interface as public API (#30852) (5c18f23), closes #30814
service-worker: avoid uncaught rejection warning when registration fails (#30876) (81c2a94)

8.0.1

bazel: do not modify tsconfig.json (#30984) (49307f0)
bazel: Load global stylesheet in dev and prod (#30879) (5a7bcd1)
common: expose the HttpUploadProgressEvent interface as public API (#30852) (4e8614b), closes #30814
core: TypeScript related migrations should cater for BOM (#30719) (26e3615), closes /github.com/angular/angular-cli/blob/master/packages/angular_devkit/schematics/src/tree/recorder.ts#L72 #30713
service-worker: avoid uncaught rejection warning when registration fails (#30876) (08c38a1)

Update 3, June

After following the long road towards Angular v8, it successfully launched on May 28, 2019, with new features, changes, and improvements galore.

Now, we embark on a new journey: towards Angular v9! Let’s follow the latest changes and additions. Head on over to the changelog on GitHub to keep track of the news.

Angular 8.1.0 beta is already here, just days after v8 arrived. It includes an array of bug fixes and six new features.

Let’s take a look.

Features

bazel: use rbe_autoconfig() and new container. (#29336) (9abf114)
common: add ability to watch for AngularJS URL updates through onUrlChange hook (#30466) (1aff524)
common: stricter types for SlicePipe (#30156) (95830ee)
core: deprecate integration with the Web Tracing Framework (WTF) (#30642) (f310a59)
language-service: Implement definitionAndBoundSpan (#30125) (f491673)
platform-webworker: deprecate platform-webworker (#30642) (ccc76f7)

Bug Fixes

bazel: allow ts_library interop with list-typed inputs (#30600) (3125376)
bazel: Bump ibazel to 0.10.1 for windows fixes (#30196) (1353bf0)
bazel: Directly spawn native Bazel binary (#30306) (2a0f497)
bazel: Disable sandbox on Mac OS (#30460) (b6b1aec)
bazel: Exclude common/upgrade* in metadata.tsconfig.json (#30133) (1f4c380)
bazel: ng test should run specific ts_web_test_suite (#30526) (e688e02)
bazel: pass correct arguments to http_server in Windows (#30346) (3aff79c), closes #29785
bazel: update peerDep ranges (#30155) (4ae0ee8)
bazel: Use existing npm/yarn lock files (#30438) (ff29ccc)
compiler-cli: log ngcc skipping messages as debug instead of info (#30232) (60a8888)
core: consistently use ng:/// for sourcemap URLs (#29826) (392473e)
core: CSS sanitizer now allows parens in file names (#30322) (728db88)
core: fix interpolate identifier in AOT (#30243) (30d1f29)
core: migrations not always migrating all files (#30269) (349935a)
core: remove deprecated TestBed.deprecatedOverrideProvider API (#30576) (a96976e)
core: require ‘static’ flag on queries in typings (#30639) (84dd267)
core: static-query migration errors not printed properly (#30458) (6ceb903)
core: static-query migration fails with default parameter values (#30269) (6357d4a)
core: static-query migration should gracefully exit if AOT compiler throws (#30269) (509352f)
core: static-query migration should handle queries on accessors (#30327) (0ffdb48)
core: static-query migration should not fallback to test strategy (#30458) (0cdf598)
core: static-query migration should not prompt if no queries are used (#30254) (4c12d74)
core: static-query usage migration strategy should detect ambiguous query usage (#30215) (8d3365e)
core: temporarily remove @deprecated jsdoc tag for a TextBed.get overload (#30514) (f6bf892), closes #29290 #29905
language-service: Remove tsserverlibrary from rollup globals (#30123) (124e497)
router: ensure history.state is set in eager update mode (#30154) (b40f6f3)
router: ensure navigations start with the current URL value incase redirect is skipped (#30344) (0fd9d08), closes #30340 #30160
router: fix a problem with router not responding to back button (#30160) (3327bd8)
router: IE 11 bug can break URL unification when comparing objects (#30393) (197584d)
router: type cast correctly for IE 11 bug breaking URL Unification when comparing objects (#30464) (53f3564)