Angular2 RC5 发布了，主要更新如下：
Bug Fixes
animations: change trigger binding syntax to function as a property binding
animations: ensure a null easing value is never used with web-animations (9cc3b2c), closes #9780 #9752
animations: ensure all child elements are rendered before running animations (c3bdd50), closes #9402 #9775 #9887
animations: ensure animation detection doesn't rely on the body node (0d1bf81), closes #10230 #10191 #10273
animations: throw errors when duplicate component trigger names are registered (5af1e89)
compiler: allow to use pipes inside of
*ngIf(#10452) (8efbcc9), closes #9746compiler: auto declare
entryComponentsrecursively (a32c4ad), closes #10348compiler: Fixed ?. operator to short-circut execution (#9965) (4ec2a30), closes #9965
compiler: Generates function expressions as returning any (#9980) (eb5763c)
compiler: Ignore references to declared modules and unneeded types (#9776) (4ef8689)
compiler: Missing metadata files should result in undefined (#9704) (30bec78), closes #9678
compiler: No longer writes 0 length files outside of genDir (#10023) (6518ff8)
compiler: Query expression lambdas should have dynamic type (961c9d4)
compiler: report better error messages for
hostbindings (fb3608a), closes #10346compiler: Report references to non-exported symbols. (9925aa8)
compiler: StaticReflect now resolves re-exported symbols (#10453) (82e7ecd), closes #10453
Features
animations: allow animation integration support into host params (806a254), closes #9044 #9933
browser: use AppModules for bootstrap in the browser (3f55aa6)
compiler: add
MockPipeResolver(4ad6bcc)compiler: Added support for conditional expressions. (#10366) (20b03ba)
compiler: Added support for references to static fields. (#10334) (b58e9ea)
compiler: Allow calls to simple static methods (#10289) (b449467)
compiler: Expression span information and error correction (#9772) (9a04fcd)
compiler: introduce
MockDirectiveResolver.setDirective(acc6c8d)
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