By setting a bookmark on RecentChanges you can easily see what has been changed since your last visit.

2017-05-19
[DIFF] 08:22 Info hayashida
[DIFF] 08:12 Info hayashida
[DIFF] 08:12 Info hayashida [1-2]
[DIFF] 08:06 Info hayashida
2017-05-18
[DIFF] 09:24 Info hayashida [1-11]
[DIFF] 05:47 Info hayashida
[DIFF] 05:30 Info hayashida [1-4] #03 Upload of attachment 'バックリンク.png'.
2017-05-17
[DIFF] 07:52 Info hayashida [1-5] #03 Upload of attachment '右クリック操作.png'.
[DIFF] 07:47 Info hayashida [1-4] #03 Upload of attachment '担当変更.png'.
[DIFF] 07:46 Info hayashida [1-3] #01 Upload of attachment '担当変更.png'.
[DIFF] 06:19 Info hayashida [1-2]
[DIFF] 02:10 Info hayashida [1-2]
2017-05-11
[DIFF] 03:02 Info hayashida
2017-05-10
[DIFF] 08:56 Info hayashida
[DIFF] 01:25 Info syoji
2017-05-01
[DIFF] 05:21 Info hayashida [1-3] #02 Upload of attachment 'bug.png'.
2017-04-28
[DIFF] 03:58 Info hayashida [1-2] #01 Upload of attachment 'プロジェクトのコピー.png'.
#02 Attachment 'プロジェクトのコピー.png' deleted.
[DIFF] 03:57 Info hayashida [1-4] #01 Upload of attachment 'プロジェクトのコピー.png'.
#02 Attachment 'プロジェクトのコピー.png' deleted.
#03 Upload of attachment 'プロジェクトのコピー.png'.
[DIFF] 02:50 Info hayashida [1-2]

[DIFF]

marks older pages that have at least one backup version stored (click for an author diff)

[UPDATED]

marks pages edited since you set your bookmark (click for a bookmark diff)

[NEW]

marks pages created since you set your bookmark, and were not edited after creation

[DELETED]

marks page deletions

[RENAMED]

marks page renames

[CONFLICT]

An editing conflict happened, please resolve it by merging both versions of the problematic paragraphs together.