+1 but:

a) not sure why Requires(post) goes after Provides/Obsoletes. Probably a bug in spec-cleaner; those changes should be reverted.

b) (baselibs.conf too) => (in baselibs.conf too)

c) this is wrong:
-Obsoletes: pango-devel-64bit
+Obsoletes: pkgconfig(pango)-64bit

d) typo in .changes: "Hangul Hebrew" => "Hangul, Hebrew"

e) harfbuzz BR should be >= 0.9

checkin

+1 but:

a) not sure why Requires(post) goes after Provides/Obsoletes. Probably a bug in spec-cleaner; those changes should be reverted.

b) (baselibs.conf too) => (in baselibs.conf too)

c) this is wrong:
-Obsoletes: pango-devel-64bit
+Obsoletes: pkgconfig(pango)-64bit

d) typo in .changes: "Hangul Hebrew" => "Hangul, Hebrew"

e) harfbuzz BR should be >= 0.9