The replacement for the current Canon EF 70-300mm f/4-5.6 IS USM lens, the Canon EF 70-300mm f/4.5-5.6 IS II USM Lens is expected to be released by Canon before end of September 2016.
Canon EF 70-300mm f/4.5-5.6 IS II USM Lens Release Information>>
Canon Press Releases │ Canon EOS Cameras │ Canon RF / EF Lenses │ Canon Speedlite Flash │ Canon Printers │ Canon User Manuals │ Canon DPP Software | Photography Competitions