On 02/06/2013 06:58 PM, Alexey Kazakov wrote:
On 02/06/2013 01:07 AM, Mickael Istria wrote:

Should we change Eclipse (wtp, etc.) dependencies in plugin.xml too even 
if we don't use any new API from Kepler?
No, you shouldn't do it. MANIFEST.MF must contain the "wider" compatible version range.

The problem is that we don't know if JBT compatible with Juno until we test it against Juno, do we?
We'll test only for Kepler. But you can expect it to work or not with Juno.
Next JBT will only be supported (ie guaranteed to work on Kepler), but if you think your component still support Juno, you'd better not change versions in MANIFEST because:
1. Some people may want to install your component on Juno, and will be happy if it works. If it doesn't work, it's not that bad because we don't support it.
2. It's more effort and risk for you to change MANIFEST.
3. If we change our mind and decide to support Juno, you won't have anything to change.
So I recommend you change MANIFEST only when you _need_ it (ie when you have some breaking API or feature changes in your dependencies).

If your stuff can still work on Juno, changing versions in MANIFEST will make it impossible to use it on Juno. There is no added-value to it. The target-platforms provide all the safety you need.
--
Mickael Istria
Eclipse developer at JBoss, by Red Hat
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