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  • DW-previousUiUpgradeQuestion.png

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2	2	{{toc/}}
3	3	{{/box}}
4	4
	5	+{{warning}}
	6	+If you are migrating from an earlier version than 4.0, and your database contains statistics collected using a version earlier than 2.2, you will probably encounter an issue during our automated database migration. To avoid that issue, you will need to clean up your statistics by executing some SQL commands described in issue [[XWIKI-8129>>http://jira.xwiki.org/browse/XWIKI-8129]]. Be sure to apply these before attempting the migration. If your are in doubt, apply it, these could not hurt. If you don't, you will face duplicate IDs errors during the migration process, and it will fail, preventing you to run your wiki.
	7	+{{/warning}}
	8	+
5	5	This is the release notes for XWiki Platform, XWiki Enterprise and XWiki Enterprise Manager. They share the same release notes as they are released together and have the same version.
6	6
7	7	<insert description of release here>
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8	8
9	9	= New and Noteworthy (since XWiki 4.4) =
10	10
	15	+== Distribution Wizard improvements ==
	16	+
	17	+When upgrading from an old version that didn't have the distribution wizard, the wizard doesn't know what user interface (XAR) was previously installed (imported). This information can help the Extension Manager merge automatically the wiki pages from your database with those from the new version of the user interface.
	18	+
	19	+The distribution wizard will first ask you if you are performing an upgrade.
	20	+
	21	+{{image reference="DW-previousUiUpgradeQuestion.png"/}}
	22	+
	23	+Then you need to specify the id and version of the previously installed user interface.
	24	+
	25	+{{image reference="DW-previousUiForm.png"/}}
	26	+
	27	+Finally you need to repair the specified user interface extension. This will mark the extension as installed (update the extension index without actually importing the wiki pages from the XAR).
	28	+
	29	+{{image reference="DW-previousUiExtension.png"/}}
	30	+
	31	+Next you can install the new version of the user interface.
	32	+
11	11	== Translatable AppWithinMinutes apps ==
12	12
13	13	The AppWithinMinutes wizard is now generating a document translation bundle for the application which allows you to translate class field pretty names, list values (for static list fields) and live table columns names. If you have an existing application that was created with AppWithinMinutes you just have to edit and save it to get the new translation bundle.
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94	94
95	95	== General Notes ==
96	96
	119	+{{warning}}
	120	+PLEASE, BACKUP YOUR DATABASE BEFORE STARTING YOUR WIKI.
	121	+AUTOMATED MIGRATION PROCEDURE TAKE PLACE AT STARTUP AND YOU MAY NEED TO START OVER IF YOU ENCOUNTER AN UNEXPECTED ISSUE.
	122	+{{/warning}}
	123	+
97	97	You may also want to [[import the default wiki XAR>>Main.Download]] in order to benefit from all the improvements listed above.
98	98
99	99	{{warning}}
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100	100	Always make sure you compare your ##xwiki.cfg## and ##xwiki.properties## files with the newest version since some configuration parameters were added. Note that you should add ##xwiki.store.migration=1## so that XWiki will attempt to automatically migrate your current database to the new schema. Make sure you backup your Database before doing anything.
101	101	{{/warning}}
102	102
	130	+{{warning}}
	131	+If you are migrating from an earlier version than 4.0, and your database contains statistics collected using a version earlier than 2.2, you will probably encounter an issue during our automated database migration. To avoid that issue, you will need to clean up your statistics by executing some SQL commands described in issue [[XWIKI-8129>>http://jira.xwiki.org/browse/XWIKI-8129]]. Be sure to apply these before attempting the migration. If your are in doubt, apply it, these could not hurt. If you don't, you will face duplicate IDs errors during the migration process, and it will fail, preventing you to run your wiki.
	132	+{{/warning}}
	133	+
	134	+{{warning}}
	135	+If you have encountered an issue with the migration, you may need to start over from a backup. Be careful that during the migration, two new tables have been created (in each xwiki database for a farm) and should be dropped when you restore a backup of a database coming from a version earlier than 4.x. These two tables are DATABASECHANGELOG and DATABASECHANGELOGLOCK. These should only be removed if you restore a pre-4.x database schema. Mixing an old database with these two tables will surely cause issue during schema updates (liquibase checksum failure).
	136	+{{/warning}}
	137	+
103	103	== Issues specific to XWiki 4.5M1 ==
104	104
105	105	<issues specific to the project>

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