The meeting took place on Thursday January 23rd 2020.
Participants were: Antony Zegers (Bitcoin ABC), Tobias Ruck (Be Cash), Amaury Séchet (Bitcoin ABC), Jason Dreyzehner (Bitauth), Rosco Kalis (CashScript) and Tendo Pein (Spedn).
Host: David R. Allen.

Meeting Agenda

• 1. BCH Script roadmap,

• 2. OP_ReverseBytes,

• 3. Mitra (formerly known as Nimbus),

• 4. Addition script related items.

• 5. Audience Q&A

References and links discussed during the meeting:

Benchmarks mentioned as well as the prototype/toy implementation of int128 using boost https://github.com/EyeOfPython/bitcoin-abc-benchin/blob/master/benchmark.ipynb 

Spec for OP_REVERSEBYTES https://github.com/EyeOfPython/bitcoincash.org/blob/master/spec/op_reversebytes.md 

Mitra blogpost https://read.cash/@TobiasRuck/why-mises-would-love-mitra-bitcoin-cashs-hidden-superpower-that-even-ethereum-20-doesnt-have-0e6090bb 

Known quadratic behaviors (the OP_IF case is benchmarked above and doesn‘t seem to be quadratic): https://bitslog.com/2017/04/17/new-quadratic-delays-in-bitcoin-scripts/

"Quadratic sighash remains in Segwitv0/BCH/BSV digest algorithms".: https://gist.github.com/markblundeberg/c2c88d25d5f34213830e48d459cbfb44

More information on past and future Bitcoin Cash Developer meetings at https://www.thefutureofbitcoin.cash

Tips and donations welcome at: bitcoincash:qrwyeh8r09rgmpcc6adde6l7u0yp9c7wxcc65qck7j