Fidelity has proposed an overhaul of conventional methods of comparing tracker funds' performance, saying simply looking at tracking errors can produce 'illusory' results.
The number of platforms targeting advisory firms is likely to halve after 2017, according to Standard Life's David Tiller.
Platform inflows reached record highs in the fourth quarter of 2014 as upcoming pension freedoms and demand for income boosted inflows, according to Fundscape.
The potential sales of Transact and Seven Investment Management (7IM), as well as increased scrutiny from the regulator, have prompted advisers to start probing platforms on their exit strategies.
Launched in a blaze of publicity last February, Old Mutual Wealth (OMW) set out its WealthSelect proposition as a rival to traditional discretionary fund management services.
Old Mutual Global Investors has more than doubled its adjusted operating profit in 2014, while assets under management jumped 31%.
Aviva head of platform Tim Orton says a D2C self-service proposition is "still on the cards" for the firm but ongoing regulatory guidance is delaying advisers' potential use of the offering.
The Financial Conduct Authority has ruled out conducting a study into competition in the platform market - despite industry concerns - but is planning closer scrutiny of fund groups.
Tinder, Match, or speed dating: The DFM/platform relationship
Twenty years of change and innovation