Most catches by a substitute fielder in an innings

On 19th October 2019, Scottish cricketer Michael Leask created a record after becoming the first fielder in T20I history to take more than two catches as a substitute fielder in T20I innings. It was the match against Kenya at ICCA 2 Dubai where the substitute fielder Leask successfully took three catches in the second innings.
Highest partnership by debutants
On 6th November 2019, Mozambique debutants Damiao Couana and Filipe Cossa set up the 90 runs partnership for the unbroken sixth-wicket against Malawi at Lilongwe. It was the new record of the highest partnership for any wicket by the T20I debutants.
The previous record in this list was 84 runs partnerships which happened twice. South African cricketers Graeme Smith and Jacques Kallis for the opening wicket (against New Zealand at Johannesburg on 21st October 2005) and Namibian cricketers Stephan Baard and Nikolaas Davin for the first wicket (against Ghana at Kampala on 20th May 2019).