jQuery 1.5 RC 1 Released

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We’re nearing the final release of jQuery 1.5 – and we’re pleased to announce the release of the first release candidate! Barring any major bugs this should be the code that we end up shipping for jQuery 1.5 (which will be happening on January 31st).

The final release notes and documentation will be coming with the final 1.5 release.

jQuery 1.5 Release Candidate 1

You can get the code from the jQuery CDN:

You can help us by dropping that code into your existing application and letting us know that if anything no longer works. Please file a bug and be sure to mention that you’re testing against jQuery 1.5 RC 1.

We want to encourage everyone from the community to try and get involved in contributing back to jQuery core. We’ve set up a full page of information dedicated towards becoming more involved with the team. The team is here and ready to help you help us!

30 thoughts on “jQuery 1.5 RC 1 Released

  1. @SOSensible: Those are just official jQuery plugins – they are not included in the jQuery 1.5 release. The major features of this release include a complete rewrite of the Ajax module, deferreds, and subclassing.

  2. Is there a list of new features, bug fixes, etc? Would love to take a sneak peek at new features without sifting through the source.

    Looking forward to it!

  3. Wow, the unminified, ungzipped file size for the core 1.5rc1 library cleared the 200k mark and is up to 215k, compared to 185k for 1.4.4. What happened to the tiny jquery.js we used to know and love? :(

    Please keep file size in mind when growing the library!

  4. @shawn, if you want the “tiny jquery.js”, just use it minified and gzipped (only 28KB) ;)

  5. anirudha on said:

    @john you tell that ” include a complete rewrite of the Ajax module”.

    are they work as same when we upgrade them to jQuery 1.5. or we need to rewrite the code and still not need to upgrade the jQuery because if we upgrade we need to rewrite.

  6. JulienW on said:

    I think the point is just that : testing old stuff with the new library, not testing new stuff. They want us to look for regressions.

    So let’s do that :-)

  7. David N. on said:

    How can I ditinguish official jQuery-plugin (such as Templates) from non-official ones?

  8. I’m disappointed Jquery Templates is not included in Core. You could suggest Effects are not a necessary Core feature, but they greatly enrich the flexibility of the library and unofficially standardise the approach for a common development scenario. Please reconsider its inclusion in an upcoming release. Or accelerate the exit from Beta or promotion of this plugin ie. use within Jquery UI.

  9. Great to hear v1.5 will be released soon. I’m wondering about the fate of #7278: there haven’t been any updates on it since my comment 8 weeks ago, but it appears to still be targeted for 1.5. I’m guessing it won’t be in the upcoming release, but I’d appreciate a confirmation if you have a moment. Thanks.

  10. Just start testing my jQuery components and I found out that jQuery.ajax can’t work anymore using local files… Is there a reason for that?

  11. What Pupunzi said, I also have the same problem here.

    $.get() and $.ajax() just error out when reading local .xml files.

    With version 1.4.4 this was never a problem.