[DESIGN] "Apply Changes to Region" works for water but not for sky

Second Life 2.6.4 (225814) Apr 6 2011 03:20:49 (Second Life Developer) Release Notes You are at 261506.0, 260737.0, 48.2 in Is located at sim7449.agni.lindenlab.com (216.82.34.196:13010) Second Life Server 11.03.29.225234 Release Notes CPU: Intel(R) Xeon(R) CPU E5462 @ 2.80GHz (2800 MHz) Memory: 18432 MB OS Version: Darwin 10.7.0 Darwin Kernel Version 10.7.0: Sat Jan 29 15:17:16 PST 2011; root:xnu-1504.9.37~1/RELEASE_I386 i386 Graphics Card Vendor: NVIDIA Corporation Graphics Card: NVIDIA GeForce 8800 GT OpenGL Engine OpenGL Version: 2.1 NVIDIA-1.6.26 libcurl Version: libcurl/7.21.1 OpenSSL/0.9.8q zlib/1.2.5 c-ares/1.7.1 J2C Decoder Version: KDU v6.4.1 Audio Driver Version: FMOD version 3.750000 Qt Webkit Version: 4.7.1 (version number hard-coded) Voice Server Version: Vivox 3.2.0002.9361 Built with GCC version 40001 Packets Lost: 0/1305 (0.0%)