**New graphs added to the site:**
antipodal 3-cover of Zara graph,
Coolsaet–Degraer cover of $K_{14}$,
coset graphs of the shortened ternary Golay code and the shortened extended ternary Golay code,
Delsarte graph,
flag graph of $PG(2,5)$,
Games graph,
Goethals–Seidel graph,
Koolen–Riebeek graph,
Meixner's 2-cover and 4-cover of the $U_6(2)$ graph,
Moscow–Soicher graph (and its distance-2 graph),
Norton–Smith graph,
$O_7(3)$ graph,
Ree–Tits generalized octagon,
Shi–Krotov–Solé graph,
Soicher's first, second and third graphs,
symplectic 3-cover of $K_{14}$, 3-cover of $K_{17}$, 5-cover of $K_{12}$, 5-cover of $K_{17}$ and 7-cover of $K_{9}$,
Tits graph from $\phantom{.}^2 F_4(2)'$,
$U_6(2)$ graph (and its complement).

**Pages updated:**
automorphism groups have been added on several pages;
the page for unitary graph from $P\Gamma(U)(3,4)$ has been corrected to indicate that it is distance-transitive;
the GAP files have been replaced for the flag graph of $PG(2,3)$ and flag graph of $PG(2,4)$.

**New category:** Antipodal covers of complete graphs.

**27 March 2019:** corrected the spectrum of the 2nd subconstituent of the McLaughlin graph, as well as updating the GAP file (to use the full automorphism group).

**22 October 2018:** fixed a typo in the intersection array of the Johnson graph $J(10,5)$.

**14 August 2018:** fixed the spelling of "Schläfli" on the Schläfli graph and complement of Schläfli graph pages.

**27 January 2018:** corrected the automorphism group on the dodecahedron page.

**5 January 2018:** fixed links to data files from the Hamming graph $H(2,10)$ page.

**4 August 2017:** added some Grassmann graphs, namely $J_2(4,2)$, $J_2(5,2)$, $J_2(6,2)$, $J_3(4,2)$ and $J_2(6,3)$.

**4 August 2017:** fixed a typo in the automorphism group of the point graphs of the generalized hexagons $GH(2,2)$.

**3 August 2017:** fixed a typo in the page An introduction to distance-regular graphs.

**25 July 2017:** added the $\mathrm{G}_2(4)$ graph on 416 vertices.

**25 July 2017:** updated naming and external link for the Hall–Janko near octagon on 315 vertices, also known as the Cohen–Tits near octagon.

**2 July 2017:** added the Zara graph on 126 vertices.

**7 June 2017:** pages now use the more specific term *symmetric transversal design* in place of "resolvable transversal design".

**7 June 2017:** added the Suetake graph (incidence graph of symmetric transversal design $\mathrm{STD}_4[12;3]$).

**7 June 2017:** reorganized index of incidence graphs.

**7 June 2017:** corrected the spectrum of the hexacode graph.

**22 February 2017:** site launched.