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Published online by Cambridge University Press: 03 March 2026
This paper responds to commentaries by several authors on our target article, ‘Bringing signed languages into the study of regular sound change’ (Law et al. 2025a). We provide some additional context on the research program that spurred the target article and draw on several themes discussed in both the target article and commentaries, specifically (i) the affordances and effects of modality in (theories of) language change, (ii) iconicity (and indexicality), (iii) variation and irregularity in language change, and (iv) language transmission. We highlight the methodological advances afforded by new technologies to study phonetic variation in signed languages and advocate for increased attention to the systematic and comparative study of phonetic variation in signed languages as a window into processes of phonetic and phonological change in signed languages.