Merge "Use "try-catch" block instead of "if" block to prevent interruption of new...

diff --combined RELEASE-NOTES-1.33
index 759f180,101a986..71f3d64
--- 1/RELEASE-NOTES-1.33
--- 2/RELEASE-NOTES-1.33
+++ b/RELEASE-NOTES-1.33
@@@ -61,7 -61,7 +61,7 @@@ production
  ==== Changed external libraries ====
  * Updated OOUI from v0.29.2 to v0.30.2.
  * Updated OOjs Router from pre-release to v0.2.0.
 -* Updated wikimedia/xmp-reader from 0.6.0 to 0.6.1.
 +* Updated wikimedia/xmp-reader from 0.6.0 to 0.6.2.
  * Updated wikimedia/scoped-callback from 2.0.0 to 3.0.0.
  * Updated wikimedia/ip-set from 1.2.0 to 2.0.1.
    * The deprecated IPSet\IPSet alias was removed, Wikimedia\IPSet must be
@@@ -72,13 -72,14 +72,15 @@@
  * Updated nikic/php-parser from 3.1.3 to 3.1.5 (dev-only).
  * Updated pear/net_smtp from 1.8.0 to 1.8.1.
  * Updated cssjanus/cssjanus from 1.2.0 to 1.2.1.
 +* Updated wikimedia/php-session-serializer from 1.0.6 to 1.0.7.
  
  ==== Removed external libraries ====
  
  === Bug fixes in 1.33 ===
  * (T164211) Special:UserRights could sometimes fail with a
    "conflict detected" error when there weren't any conflicts.
+ * (T215566) Unable to determine if the database exists
+   during a fresh installation.
  
  === Action API changes in 1.33 ===
  * (T198913) Added 'ApiOptions' hook.