Not sure if this belongs in bugs or data or feature requests...
RE Lasers have gotten errata. They now receive a -1 bonus to hit, and have reveised heat and BV values.
http://bg.battletech.com/forums/index.php?topic=33062.msg1170118#msg1170118
http://bg.battletech.com/forums/index.php?topic=33062.msg1171219#msg1171219
Related
Commit: [2b1327]
Actually fixed before this report :)
https://sourceforge.net/p/megamek/git/ci/2b1327fe2825872d42f92e79662d09bf3017f3c7/
Could you please fix your IDE settings to use 4 spaces for indenting and no tabs?