We have been successfully using the Lyx 'Compare' tool to identify/locate changes in documents that are frequently updated, also using a Colour choice available in Preferences to make these changes easier to see.
A difficulty arises because some of the translation team, are working with html copies. Regardless of the preferences setting, html copies always show deletions in red and insertions in dark blue - which is unfortunately close to black. Are there settings/adjustments available in the html converter? Gordon Tauranga N.Z.