GBM.flights

This article (PT only), published about 2h ago, mentions a bunch of changes for the Summer 2020 operation.
Trying to summarize:
Americas:
LIS-ORD 5weekly to daily
LIS-IAD 5weekly to daily
LIS-MIA Daily to 10 weekly
LIS-NYC 3 daily (double daily and EWR daily) - info from post below - A321neo LR operates 1 daily JFK
OPO-EWR from 6 weekly to daily (A321neo LR operates - info from post below)
LIS-BEL 3weekly to 5weekly ( A321neo LR operates - info from post below)
LIS-NAT 3weekly to 5weekly (A321neo LR operates - info from post below)
OPO-GRU 3weekly to 4weekly

Europe:
OPO-LCY cancelled (6 weekly) - had been launched Mar2018 Brexit cited as reason
OPO-BCN cancelled (2 daily) - had been resumed Mar18
OPO-LYS cancelled (2 daily announced launch as of Sep'19 - i cannot find this in the schedule anymore - my guess, killed before it started)
OPO-FNC from 2 daily to 3 daily (A321neo LR operates 1 daily - look at that for a redemption - info from post below)
OPO-MAD from 19weekly to 6 daily (rebranded Shuttle/Ponte Aerea)

LIS-OPO from 13 daily to 14 daily
LIS-CGN cancelled (13 weekly) had been resumed in Jul 2017
LIS-STR cancelled (2 daily) also resumed in 2017 - Jun
LIS-BSL cancelled (2 daily) had been resumed this year - 2019
LIS-LCY cancelled (12 weekly) launched Oct17Brexit cited as reason (mentioned capacity to LON will be kept through increased capacity in other existing routes)
LIS-MAD (rebranded Shuttle/Ponte Aerea) - frequency increase not clear
LIS-BIO from 2 daily to 3 daily
LIS-VLC from 2 daily to 3 daily
LIS-AGP from 2 daily to 3 daily
LIS-SVQ from 3 daily to 4 daily
LIS-BCN from 6 daily to 7 daily
LIS-SCQ (Santiago de Compostela) launch (daily)

Other geographies
LIS-CMN from 1 daily to 2 daily
LIS-TLV from 1 daily to 2 daily (this is impressive as it was resumed this year -March) - A321neo LR operates 2 daily.

I'm curious to see if any more news come out of new routes for Brazil or US.