According to the Polygon（MATIC） team, a Polygon Hardfork will be activated on block height 44,934,656 estimated on July 11, 04:00 UTC.
MATIC
Candy Pocket (CANDY) Gets Listed on KuCoin! World Premiere!
Trading: 10:00 on June 13, 2023 (UTC)
Source: https://www.kucoin.com/news/en-candy-pocket-candy-gets-listed-on-kucoin-world-premiere
KuCoin Convert Adds 15 Trading Pairs
New trading pairs: TRX/USDC, FLOKI/USDC, MATIC/USDC, NEAR/USDC, VRA/USDC, KCS/USDC, ARB/USDC, XMR/USDC, AVAX/USDC, ETH/BTC, XRP/BTC, DOGE/BTC, BNB/BTC, LTC/BTC, ADA/BTC.
Binance Adds LDO/TUSD, MATIC/TUSD, OP/TUSD, SOL/TUSD
Binance will open trading for the LDO/TUSD, MATIC/TUSD, OP/TUSD, SOL/TUSD, SSV/TUSD and XRP/TUSD trading pairs at 2023-03-29 08:00 (UTC).
Binance Futures Will Launch BUSD-Margined MATIC and CVX
Binance Futures will launch BUSD-margined MATIC and CVX perpetual contracts with up to 20x leverage on 2022-07-13 at 02:45 (UTC) and 2022-07-13 at 03:00 (UTC) respectively.