Quartz 46, October 2018, is online at:
http://quartz.chessproblems.ca/pdf/46/Quartz46.pdf
The content: Virgil Nestorescu, b. Feb 8th 1929 – d. June 21 2018 | Anticipation or development of old ideas? | Provocation Chess in proof games | Leffie, a new fairy genre | Launching Quartz TT13 | En bref.
Quartz 45, June 2018, is online at:
http://quartz.chessproblems.ca/pdf/45/Quartz45.pdf
The content: Exchange between Q and K in proof games(II) | A historical condition: Checking zigzag | Launching TT12 Quartz | En bref | AUW and e.p. in series problems type consequent.