Sentence:  Now that Twitch is making <WSD>raids</WSD> an official part of the platform, however, some streamers think the new feature will make it easier to participate in the positive aspects of raiding. 
Meaning of the word marked with <WSD> tags:  An activity initiated at or towards the end of a live broadcast by the broadcaster that sends its viewers to a different broadcast, primarily intended to boost the viewership of the receiving broadcaster. This is frequently accompanied by a message in the form of a hashtag that is posted in the broadcast's chat by the viewers.