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SimRel/Simultaneous Release Policy FAQ

Policy FAQs

Can a new project or feature join a Simultaneous Service Release (SR1 or SR2)?

Yes, but still subject to all the other rules of the Eclipse Development Process and the Simultaneous Release Requirements. For example, if a "Release Review" is required by the EDP, it is still required, before being in an SR. A release review is normally not required for a maintenance release, if the maintenance is "bug fixes" only, but if a new feature is added (including an increase in minor version number) then according to the Eclipse Development Process a release review is required. All that is independent of the "Simultaneous Service Release" and Planning Council ... just normal Eclipse business. Similarly, something "new" must still meet all the other Simultaneous Release requirements, such as signed jars, 4 part versioning, etc. In particular, the addition must "do no harm". In practice this means it is relatively easy to change "leaf components", but more care and effort is required to change a "low level" feature.



Can a Simultaneous Release project include bundles or features from a project not in the Simultaneous Release?

It can "include" another Eclipse Project that is not in the Simultaneous Release, if that other other Eclipse Project has been released before, and if that other Eclipse project (still) meets all the requirements of a Release (such as correct about.html files, etc.) and also the extra requirements of Simultaneous Release (such as signed jars, etc.,). This is analogous to the use of "third party" bundles from Orbit, where the original authors clearly do not "participate" in the release ... but the bundles have all been through the IP process, are well formed, etc. Of course, it is only natural and polite to let the other Eclipse Project know that you are planning on doing this, and give them the right to comment or object if they had some reason too (for example, they might say, "oh, we didn't know you were using us, ok, we'll join the Sim. Release too" or they might say, "Please don't, we plan to come out with a new, incompatible release in August and contribute that in SR1" ... just to give some hypothetical examples of the importance of communication.

But, if a project has not been released before, then another project can not "include" it in their own released code, even for a normal Eclipse Foundation Release, much less a Simultaneous Release. For the sake of history, I'll note this topic was discussed at length in bug 370974.

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