update changelog

Author: cmaglie

build/shared/revisions.txt

@@ -1,3 +1,15 @@
+ARDUINO 1.8.7 2018.09.11
+
+(bugfix service release)
+
+[ide]
+* Fixed: IDE doesn't start if library_index.json is corruped.
+* Fixed: IDE doesn't start if a library with invalid version is found.
+* Fixed: Better dialog explaining that MacOSX 10.8 is now required. Thanks @PaulStoffregen
+* Fixed: Slow "File" and "Tools" menus in MacOSX
+* Improved first-use usability if the user don't select the serial port. Thanks @PaulStoffregen
+* Custom "Tools" menu now keeps the order as defined in boards.txt.
+
 ARDUINO 1.8.6 2018.08.23
 
 [ide]