Fixing errors:

Errors about properties like timedim should have self-explanatory messages, but be aware that switching to the recommended img = AxisArray(A, :y, :x, :time) may require other changes in your code. For example, rather than view(img, "t", t) you should use tax = timeaxis(img); view(img, tax(t)). (The new API has the advantage of being inferrable and thus can be used in performance-critical applications.)
MethodError: no method matching getindex(::Tuple{Int64,Int64,Int64}, ::Tuple{Int64,Int64}) in conjunction with coords_spatial: the return type is now a tuple rather than an array. You can use [coords_spatial(img)...] to get an array, although in some cases you may prefer to use the tuple directly. For certain applications the tuple improves inferrability, for example size(img, coords_spatial(img)...) now returns a tuple of inferrable length, which is helpful for writing type-stable algorithms.
padarray now returns arrays with unconventional indices: if you pad a 1-dimensional array by 3 elements at the beginning and end, the output's indices will be -2:sz+3 rather than 1:sz+6. If you find it easier to work with arrays that start at 1, you can call parent on the output.

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