The following Rcats are in {{R template index}} but not in Twinkle as of 2020-11-13T04:10:00Z:
{{R category with possibilities}}{{R comics from alternative name}}{{R comics from merge}}{{R comics from related word}}{{R comics naming convention}}{{R comics to list entry}}{{R comics to section}}{{R comics with possibilities}}{{R extended-protected}}{{R from adverb}}{{R from alternative hyphenation}}{{R from alternative punctuation}}{{R from alternative spacing}}{{R from alternative transliteration}}{{R from American English}}{{R from antonym}}{{R from Bluebook abbreviation}}{{R from British English}}{{R from CAS Registry Number}}{{R from category navigation}}{{R from citation identifier}}{{R from common noun}}{{R from draft}}{{R from film}}{{R from gender}}{{R from gerund}}{{R from hook line}}{{R from ISO 15924 code}}{{R from ISO 3166 code}}{{R from ISO 4 abbreviation}}{{R from ISO 4217 code}}{{R from Java package name}}{{R from legislation}}{{R from ligature}}{{R from lyric}}{{R from married name}}{{R from meme}}{{R from non-neutral name}}{{R from numerals}}{{R from numeronym}}{{R from portmanteau}}{{R from postal code}}{{R from predictable disambiguation}}{{R from proper noun}}{{R from relative}}{{R from Roman numerals}}{{R from spouse}}{{R from stylization}}{{R from team}}{{R from technical name}}{{R from television program}}{{R from top-level domain}}{{R from upcoming film}}{{R from work}}{{R fully protected}}{{R husband}}{{R semi-protected}}{{R template-protected}}{{R to acronym}}{{R to ASCII-only}}{{R to century}}{{R to draft namespace}}{{R to initialism}}{{R to joint biography}}{{R to ligature}}{{R to talk page}}{{R to technical name}}{{R to template namespace}}{{R wife}}{{R with draft}}{{R with old history}}{{Redirect category shell}}{{Talk page of redirect}}{{Wikidata redirect}}