docs: document affected third parties by a breaking change

docs/SUMMARY.md

@@ -32,6 +32,7 @@
   - [Upgrade Tests](tests/upgrade-tests.md)
   - [UI Tests](tests/ui-tests.md)
 - [Miscellaneous](misc/index.md)
+  - [Affected third-parties](misc/third-parties.md)
   - [Coins' BIP-44 Paths](misc/coins-bip44-paths.md)
   - [FW update and device wipe](misc/update-wipes.md)
   - [Generated Files](misc/generated-files.md)

docs/misc/third-parties.md

@@ -0,0 +1,45 @@
+# List of third parties
+
+That need to be notified when a protocol breaking change occurs.
+
+### Using trezorlib:
+_This usually requires some code changes in the affected software._
+
+- Electrum https://github.com/spesmilo/electrum
+- HWI https://github.com/bitcoin-core/HWI
+- Trezor Agent https://github.com/romanz/trezor-agent
+- Shadowlands https://github.com/kayagoban/shadowlands
+
+### Using HWI
+_Updating HWI to the latest version should be enough._
+
+- BTCPay https://github.com/btcpayserver/btcpayserver
+- Wasabi https://github.com/zkSNACKs/WalletWasabi
+
+### Using no Trezor libraries
+- Monero https://github.com/monero-project/monero
+- Mycelium Android https://github.com/mycelium-com/wallet-android
+- Mycelium iOS https://github.com/mycelium-com/wallet-ios
+- Blockstream Green Android https://github.com/Blockstream/green_android
+- Blockstream Green iOS https://github.com/Blockstream/green_ios
+
+### Using Connect:
+_This usually only requires updating Connect to the latest version._
+
+See https://github.com/trezor/connect/network/dependents for a full list
+of projects depending on Connect. 
+
+- Exodus (closed source)
+- MagnumWallet (closed source)
+- MyEtherWallet https://github.com/MyEtherWallet/MyEtherWallet
+- MyCrypto https://github.com/MyCryptoHQ/MyCrypto
+- MetaMask https://github.com/MetaMask/metamask-extension
+- SimpleStaking https://github.com/simplestaking/wallet
+- AdaLite https://github.com/vacuumlabs/adalite
+- Stellarterm https://github.com/stellarterm/stellarterm
+- frame https://github.com/floating/frame
+- lisk-desktop https://github.com/LiskHQ/lisk-desktop
+- web3-react https://github.com/NoahZinsmeister/web3-react
+- KyberSwap https://github.com/KyberNetwork/KyberSwap
+- Augur https://github.com/AugurProject/augur
+- Balance Manager https://github.com/balance-io/balance-manager