In 188.8.131.52 hotfix:
1. Ability to expand/collapse groups by clicking on group header.
2. User Presence formatting option for user fields.
3. Configurable ability to show count of items in each group.
4. Fixed the bug related to handling audience targeting.
In 184.108.40.206 hotfix:
1. Optimized license checking process.
2. Applied German translation fixes.
In 220.127.116.11 hotfix:
1. Fixes issues in SP Foundation.
2. Fixed draft items visibility issue in caching engine when using XSL Style display provider and SPSiteDataQuery rollup engine provider.
3. Fixed caching engine “Null reference exception” issue.
In 18.104.22.168 hotfix:
1. Fixed “Parent Web Title” and “Parent List Title” fields not displaying issue for SPSiteDataQuery engine and when caching engine is enabled.
2. Added en-GB and en-AU resource files to wsp package.
3. Added “Hyperlink (New Window)” formatting option.
4. Added ability to render display control after data retrieving error.
Changes that does not included in hotfixes:
1. Calculated columns functionality.
2. Ability to not show grouping columns as grid view column.
3. For choice fields display available values (in drop down) when configuring filtering or conditional formatting for that field.
4. Ability (for non farm admins) to add additional accessible site collections (by providing site collection url) to rollup source selection tree view.
5. Enhancement in JSON style display provider to specify rendering JS function name.
6. Include XSL style transformation duration in displayed statistic information for xsl style display provider.
7. “No Extension” formatting option for file name column.
8. Limited size of icons displayed in rollup source tree view.
9. Some style changes in configure conditional formatting dialog (tooltip for “Add Formatting” button, different background color for new criteria filling row, after adding new condition row clear values filled in controls of new criteria row) .
10. Ability to display document locked state in document type icon.
11. Filter by “All Tags” similar to CQWP.