Issues

• Wrong sign in SUNSimplify

  FeynCalc/feyncalc#368 · Filter by author eriks245 opened on Sep 3, 2026

• Recursion error when using a replacement rule with TARCER TJI functions

  FeynCalc/feyncalc#366 · Filter by author MJKirk opened on Jul 21, 2026
  2

• Infinite loop with combination of BReduce -> True and $KeepLogDivergentScalelessIntegrals = True

  bugfixed
  FeynCalc/feyncalc#364 · Filter by author MJKirk opened on Jun 26, 2026
  2

  

• FCLoopFindMomentumShifts Unable to identify valid shift

  enhancementfixed
  Feature

  FeynCalc/feyncalc#363 · Filter by author vsht opened on Jun 21, 2026
  1

  

• Amputate does not preserve D-4 dimension of DiracGamma[Momentum[q, D - 4], D]

  FeynCalc/feyncalc#358 · Filter by author ZhiteYu opened on May 12, 2026
  1

• Add a routine for truncating external states

  FeynCalc/feyncalc#225 · Filter by author vsht opened on Jul 15, 2023 · FeynCalc X
  

• Improve Pauli algebra for matrices with Lorentz indices

  enhancement
  FeynCalc/feyncalc#134 · Filter by author vsht opened on Sep 22, 2021 · FeynCalc X
  

• Improve the TIDL mechanism

  FeynCalc/feyncalc#101 · Filter by author vsht opened on Mar 4, 2021 · FeynCalc X
  

• Add Schwinger, Lee-Pomeransky and Baikov parametrization to FCFeymanParametrize.

  FeynCalc/feyncalc#89 · Filter by author vsht opened on Dec 26, 2020
  1

• Add examples from the famous 1961 paper of Cabibbo and Gatto

  enhancement
  FeynCalc/feyncalc#84 · Filter by author vsht opened on Nov 19, 2020 · FeynCalc X
  

• Extend the support for SmallVariable to more functions

  enhancement
  FeynCalc/feyncalc#68 · Filter by author vsht opened on Sep 3, 2020