[slf4j-user] Release of SLF4J version 2.0.0-alpha5

[Joakim Erdfelt]

Thank you for the release.

Eclipse Jetty has been at 2.0.0-alpha4 since it was released.
We've been using it successfully on classpath and module-path.

Started the upgrade to 2.0.0-alpha5 now -
https://github.com/eclipse/jetty.project/pull/6684

- Joakim

On Mon, Aug 30, 2021 at 11:35 AM Ceki Gülcü <ceki at qos.ch> wrote:

> Hello all,
>
> I am pleased to announce SLF4J 2.0.0-alpha5.  This release fixes
> an issue with Java Platform Logging API (JEP 264) support when
> running under the class-path (but not the module-path). JEP 264
> support is new in SLF4J 2.0.0-alpha4.
>
> The 2.0.x series introduces a backward-compatible fluent logging
> API.  By backward-compatible, we mean that existing logging
> frameworks do not have to be changed in order for the user to
> benefit from the fluent logging API. However, existing frameworks
> *must* migrate to the ServiceLoader mechanism. The resulting
> internal changes are detailed in the FAQ page.
>
>    http://www.slf4j.org/faq.html#changesInVersion200
>
> The  2.0.x series  builds upon  the  the 1.8.x  series which  was
> modularized per Java Platform Module System (JPMS/Jigsaw).
>
> The 2.0.x series requires Java 8.
>
> Please  refer to  the  the news  page for  more  details on  this
> release:
>
>      http://www.slf4j.org/news.html
>
> Binary compatibility:
>
> Mixing mixing different versions of slf4j-api.jar and SLF4J
> provider can cause problems.  For example, if you are using
> slf4j-api-2.0.0.jar, then you should also use
> slf4j-simple-2.0.0.jar, using slf4j-simple-1.5.5.jar will not
> work.
>
> With the exception of the fluent API (new in SLF4J 2.0.x), from
> the client's perspective all versions of slf4j-api are
> compatible. Client code compiled with slf4j-api-N.jar will run
> perfectly fine with slf4j-api-M.jar for any N and M.  You only
> need to ensure that the version of your provider matches that of
> the slf4j-api.jar. You do not have to worry about the version of
> slf4j-api.jar used to compile a given dependency in your
> project. You can always use *any* version of slf4j-api.jar, and
> as long as the version of slf4j-api.jar and its provider match,
> you should be fine.
>
> Downloading SLF4J:
>
> You can download SLF4J, including full source code, class files
> and documentation on our download page:
>
>       http://www.slf4j.org/download.html
>
> Announcement mailing list:
>
> You can receive SLF4J related announcements by subscribing to the
> SLF4J announce mailing list.  To subscribe to QOS.ch announce
> list, please visit the following URL.
>
>     http://www.qos.ch/mailman/listinfo/announce
>
> You may also receive announcements via twitter:
>
>     https://twitter.com/qos_ch
>
> Enjoy,
>
> --
> Ceki Gülcü
> _______________________________________________
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> slf4j-user at qos.ch
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