Changelog

- Fixed rare crash that could occur when presenting diffs
- Improved performance of diff generation and presentation.
- When a 2-way diff includes the working copy of a file, the diff will now refresh when changes are saved to the working copy.

- Fixed a crash affecting some users.
- The text of the commit message in the commit inspector is now selectable.
- The expanded/collapsed state of the commit message is now persisted.
- Sidebar entries in comparison windows (files and text clippings) can now be selected.

Improved processing of global Git configuration.

- Added "Search Commits" feature. Search commits by message, hash, branch or tag.
- Added "Open Commit in New Tab" feature.
- Added "Repository" menu.
- Refreshed branch/tag picker with section headings, badges and overflow submenus.
- The "Compare with Previous Commit" toolbar item has been replaced with "Compare with Another Commit…". (I intend to bring back the former in another form in a future release.)
- Added a tip popover for selecting 2 changesets.
- Added an inline tip to the branch picker for filtering the branch/tag list.
- In standalone 2-way diff tabs, the info sidebar is now on the right to be consistent with other tab types.
- Improved vertical positioning of section highlights within the scrollbar.
- Fixed left/right sorting of changesets in 2-way diffs (A & B) to be topological where possible and not just chronological.
- Various fixes for the font size combo box.

- Fixed: diffs sometimes appeared empty or not highlighted when using certain character encodings (e.g. UTF-16).
- Fixed: selecting a branch or tag would not work if the list had been filtered.

- Fixed a rare crash caused by an out-of-bounds array index when generating a diff.
- Fixed font size text field getting reset when using the other font drop-down controls.