comment_update_1000 in modules/comment/comment.install

Renames {comment}.language to {comment}.langcode.

node_update_1014 in modules/node/node.install

Change {history}.nid to an unsigned int in order to match {node}.nid.

redirect_update_1001 in modules/redirect/redirect.install

Rename the language column to langcode.

SchemaTestCase::testSchema in modules/simpletest/tests/schema.test

taxonomy_update_1002 in modules/taxonomy/taxonomy.install

Drop the old taxonomy vocabulary table.

user_update_1007 in modules/user/user.install

Convert user roles to configuration files.