Last modified by Guillaume Delhumeau on 2019/03/11

<
From version < 11.1 >
edited by Ilie Andriuta
on 2019/02/26
To version < 12.1 >
edited by Vincent Massol
on 2019/02/28
>
Change comment: There is no comment for this version

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1 -XWiki.iandriuta
1 +XWiki.VincentMassol
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47 47  ** ##hibernate.cfg.xml##
48 48  * Add ##xwiki.store.migration=1## in ##xwiki.cfg## so that XWiki will attempt to automatically migrate your current database to any new schema. Make sure you backup your Database before doing anything.
49 49  
50 +=== Introduction of the Event Stream Store ===
51 +
52 +The Activity Stream and Watchlist features have been [[replaced by the Notifications feature back in XWiki 10.9>>ReleaseNotes.Data.XWiki.10\.9.WebHome||anchor="HActivityStreamisnotbundledanymore"]]. However, for technical reasons, we were still using the old Activity Stream store. We have now removed it in favor of a new [[Event Stream Store>>extensions:Extension.Event Stream Store.WebHome]].
53 +
54 +{{warning}}
55 +If you're upgrading from an older version of XWiki, you must to modify your ##hibernate.cfg.xml## file.
56 +
57 +You need to remove this line:
58 +{{code language="xml"}}<mapping resource="activitystream.hbm.xml"/>{{/code}}
59 +
60 +And replace it by:
61 +{{code language="xml"}}<mapping resource="eventstream.hbm.xml"/>{{/code}}
62 +{{/warning}}
63 +
64 +=== Local resource access for modification date ===
65 +
66 +We introduced in this version a new mechanism to [[handle resource caches in the browsers>>https://jira.xwiki.org/browse/XWIKI-6073]].
67 +
68 +By default this mechanism will access the local resource file in order to check their modification date an use it in the URL. If you find some performance issue, especially if XWiki is running on an old system or hard drive, you can disable this mechanism by changing this new property in ##xwiki.properties##:
69 +
70 +{{code}}
71 +#-# [Since 11.1RC1]
72 +#-# Whether a the last modified date of the file to be loaded should be checked and put in the URL query parameter.
73 +#-# Disabling this might improve a bit the performance on some old hard drives, or custom filesystem, however
74 +#-# it might imply the need to force-reload some resources in the browser, when migrating.
75 +#-#
76 +#-# The default is:
77 +# url.useResourceLastModificationDate=true
78 +{{/code}}
79 +
80 +In that case, please leave us a comment on this [[JIRA issue>>https://jira.xwiki.org/browse/XWIKI-6073]], or in the forum so we know about it.
81 +
50 50  == API Breakages ==
51 51  
52 52  The following APIs were modified since XWiki 11.0.3:

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