In short: Iʼm trying to find a keyboard in which you can turn off everything of suggestive nature (auto-correction, text predict, emoji suggestions) but still have double-space period and something similar to “smart punctuation” from iOS keyboard (it changes quotes based on language (e.g. instead of "" it will use “” when itʼs english, «» when itʼs french), replaces -- for —, ... (simple three dots) for … (actual three dots aka ellipsis), ' for ʼ.
I have tried stock AOSP keyboard, FUTO, simple-keyboard and florisboard and none of them can do that.