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

[RSS]

2014-12-14
[DIFF] 15:32 [INFO] Ununnilium
[DIFF] 15:15 [INFO] Ununnilium
2014-12-11
[DIFF] 13:11 [INFO] Ununnilium
2014-11-30
[DIFF] 19:16 [INFO] Ununnilium
[DIFF] 19:13 [INFO] Ununnilium [1-2]
2014-11-27
[DIFF] 00:39 [INFO] Ununnilium
[DIFF] 00:23 [INFO] Ununnilium
2014-11-24
[DIFF] 15:47 [INFO] Ununnilium
[DIFF] 07:24 [INFO] Ununnilium [1-2]
2014-11-21
[DIFF] 03:43 [INFO] Ununnilium
2014-11-20
[DIFF] 16:12 [INFO] Ununnilium [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.