On line 429 of progression.xml, there is a missing comma in the value, so the effect is not working properly for spear weapons.
(Copied from progression.xml)
<passive_effect name="TargetArmor" operation="perc_add" level="1,2,3,4" value="-.2,-.3,-.4-.5" tags="perkJavelinMaster"/>
(Correct description)
<passive_effect name="TargetArmor" operation="perc_add" level="1,2,3,4" value="-.2,-.3,-.4,-.5" tags="perkJavelinMaster"/>
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