Your variegated ivy (likely Hedera helix) with tiny white/brown specks on surfaces, webbing, and stunted new growth has spider mites—possibly aphids too. The recent repotting into a larger pot may have stressed it, worsening the infestation.
Ivy dislikes repotting. If you upsized, the extra soil stays wet too long, promoting root rot. Water only when top inch is dry. Consider moving back to a smaller pot if decline continues.
Early detection makes treatment easy.
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