Bug numbers refer to the BTS at http://pari.math.u-bordeaux.fr/Bugs/
Done for version 2.13.2 (released 24/06/2021):
[last column crossreferences current development release 2.14.0]
Fixed
1- rnfidealup(, non-integral ideal) -> division by 0 [F22]
2- memory leak in ellheight [F23]
3- memory leak in bnfinit [F24]
4- nfeltdiv(nfinit(x^2+1), 0, 1+x/2) -> SEGV [#2277] [F26]
5- znchargauss(g,chi,0) -> oo loop [F28]
6- bnflog(bnr, ...) -> SEGV [F29]
7- elliptic functions: incorrect reduction of z/w1 mod [1,tau] =>
catastrophic cancellation [F30]
8- powcx(x, t_COMPLEX with 0 imaginary part) -> crash [F31]
9- nfsubfields(t_POL in other var than x,,1) -> SEGV [F32]
10- extra terms in power t_SER substitutions [#2281] [F33]
11- k=bnfinit(quadpoly(-2923,a)); bnrclassfield(k,3) -> SEGV [#2280] [F34]
BA 12- rnfdisc mishandled polynomials with denominators [#2284] [F35]
BA 13- elltamagawa(ellinit([-1456/243,93184/19683])) -> wrong result [F36]
BA 14- mfsearch would sometimes miss the trivial form [F37]
15- typo in allh [affects ECPP tunings] [F38]
HC 16- mfisetaquo(mffrometaquo([1,12;193,12])) -> 0 [F39]
17- polroots(1.E-47*t^6+1.E-47*t^5+4.E-46*t^4) -> bug in type [#2286] [F40]
18- ceil(quadgen(5)) -> 1 instead of 0 [#2288] [F41]
19- floor(Mod(0,3)*quadgen(5)) -> crash [F42]
20- wrong ispower(t_RFRAC) and issquare(t_RFRAC, &z) [#2289] [F45]
21- 1+O(x)==O(x) [F47]
BA 22- qfauto([[1,0;0,1],[0,0;1,0]]) -> SEGV [F49]
23- bnfsunit(...)[4] (the S-regulator) did not correspond to its
definition in the documentation [ was using log(p) instead of
log(Norm P)) for P in S above p ] [F50]
BA 24- rnfdisc could return corrupted result [F51]
BA 25- concat(List([1])[1..0]) ->SEGV (instead of error) [#2299] [F53]
BA 26- List([1])[1..0]==List() -> 0 instead of 1 [F54]
Done for version 2.13.1 (released 25/01/2021):
[last column crossreferences current development release 2.14.0]
Fixed
1- GC error in idealinv [#2258] [F2]
2- qfminim inefficiency (initial bound from non-LLL-reduced matrix) [F3]
3- mfshimura in weight 3/2 => oo loop [F4]
4- matsolve([1,1,1/2; 1,0,1/2; 2,1,0], [-1;1;-1]) -> SEGV [#2261] [F6]
5- qfminim(Mat(1),,,2) -> precision error [#2262] [F7]
6- subst(p, v, t_SER) very slow if p contains many variables [#2264] [F8]
7- mfsymboleval for trivial path returned 0 instead of a vector of 0s
when f has multiple embeddings [#2260] [F9]
8- 2^(1 + O(3^4)) -> type error [F10]
9- Zn_quad_roots(8,0,-1) to compute roots of x^2-1 mod 8 -> [4,[1,3]]
(1 or 3 mod 4) instead of the expected [2,[1]] (1 mod 2) [#2265] [F11]
10- tan(1+10^20*I) -> overflow (same for cotan and psi) [F12]
BA 11- Mod(2,3)^1000000000000000000001 -> Mod(-1,3) [#2266] [F13]
12- subst(O(y) + x, x, (1 - y + O(y^2))*x + O(x^2)) -> SEGV [#2267] [F14]
13- (Mod(0,3) + x) + O(x^2) -> x + O(x^2) [now Mod(1,3)*x + O(x^2)] [F15]
14- precision too low for units in mfgaloisprojrep [F16]
15- missing GC at the end of RgXn_inv [F17]
16- (-1)^(1/3) -> -1 instead of exp(log(-1)/3) [F18]
17- mfeisenstein(k, trivial characters mod N > 1) was incorrect [F19]
BA 18- missing GC in qfsolve [F20]