Angular Compiler version 6.1.1 is a patch release succeeding version 6.1.0, both integral parts of the Angular framework's compiler library. Targeting developers building web applications with Angular, these versions share a common foundation, most notably a dependency on tslib version 1.9.0 or higher, ensuring compatibility with TypeScript helper functions. Both versions are licensed under the MIT license, granting developers broad permissions for usage and modification with the code repository available on GitHub under the angular/angular repository.
The primary distinction lies in the bug fixes and refinements incorporated into version 6.1.1. While both packages contain 572 file, 6.1.1 has an unpacked size of 24258602 bytes, marking a slight increase from version 6.1.0's 24175050 bytes. This difference will reflects internal adjustments rather than a major feature overhaul. Published just a week apart, 6.1.0 on July 25, 2018, and 6.1.1 on August 2, 2018, 6.1.1 likely addresses issues discovered and resolved quickly after the 6.1.0 release.
For developers, especially those using Angular 6, upgrading to version 6.1.1 is recommended to benefit from the latest improvements, stability enhancements, and potential bug resolutions within the Angular compiler. Because the jump is only from 6.1.0 to 6.1.1, it's implied that the impact for the upgrade should be low.
The are not vulnerabilities for the version 6.1.1 of the package @angular/compiler