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‘R_allocLD()’ has been fixed to return memory aligned for long double type PR#16534.
‘fisher.test()’ no longer segfaults when called again after its internal stack has been exceeded PR#17904.
Accessing a long vector represented by a compact integer sequence no longer segfaults (reported and debugged by Hugh Parsonage).
‘duplicated()’ now works also for strings with multiple encodings inside a single vector PR#17809.