When visiting Special:NewPages I get a php error.
[5f47fa823a03c5f38d0c6880] /wiki/Special:NewPages TypeError from line 287 of /var/www/html/extensions/FlaggedRevs/frontend/FlaggedRevsUI.hooks.php: Argument 1 passed to FlaggedRevsUIHooks::addHideReviewedFilter() must be an instance of ChangesListSpecialPage, instance of SpecialNewpages given, called in /var/www/html/includes/Hooks.php on line 186
Backtrace:
#0 /var/www/html/includes/Hooks.php(186): FlaggedRevsUIHooks::addHideReviewedFilter(SpecialNewpages, array)
#1 /var/www/html/includes/specials/SpecialNewpages.php(61): Hooks::run(string, array)
#2 /var/www/html/includes/specials/SpecialNewpages.php(130): SpecialNewpages->setup(NULL)
#3 /var/www/html/includes/specialpage/SpecialPage.php(522): SpecialNewpages->execute(NULL)
#4 /var/www/html/includes/specialpage/SpecialPageFactory.php(578): SpecialPage->run(NULL)
#5 /var/www/html/includes/MediaWiki.php(287): SpecialPageFactory::executePath(Title, RequestContext)
#6 /var/www/html/includes/MediaWiki.php(862): MediaWiki->performRequest()
#7 /var/www/html/includes/MediaWiki.php(523): MediaWiki->main()
#8 /var/www/html/index.php(43): MediaWiki->run()
#9 {main}
https://testwiki.wiki/wiki/Special:NewPages
To reproduce install php 7.1 and mediawiki 1.29.1 and FlaggedRevs on REL1_29 branch.