https://bitcoincore.org/en/releases/0.18.1/0.18.1 change log
P2P protocol and network code
#15990 Add tests and documentation for blocksonly (MarcoFalke)
#16021 Avoid logging transaction decode errors to stderr (MarcoFalke)
#16405 fix: tor: Call event_base_loopbreak from the event’s callback (promag)
#16412 Make poll in InterruptibleRecv only filter for POLLIN events (tecnovert)
Wallet
#15913 Add -ignorepartialspends to list of ignored wallet options (luke-jr)
RPC and other APIs
#15991 Bugfix: fix pruneblockchain returned prune height (jonasschnelli)
#15899 Document iswitness flag and fix bug in converttopsbt (MarcoFalke)
#16026 Ensure that uncompressed public keys in a multisig always returns a legacy address (achow101)
#14039 Disallow extended encoding for non-witness transactions (sipa)
#16210 add 2nd arg to signrawtransactionwithkey examples (dooglus)
#16250 signrawtransactionwithkey: report error when missing redeemScript/witnessScript (ajtowns)
GUI
#16044 fix the bug of OPEN CONFIGURATION FILE on Mac (shannon1916)
#15957 Show “No wallets available” in open menu instead of nothing (meshcollider)
#16118 Enable open wallet menu on setWalletController (promag)
#16135 Set progressDialog to nullptr (promag)
#16231 Fix open wallet menu initialization order (promag)
#16254 Set AA_EnableHighDpiScaling attribute early (hebasto)
#16122 Enable console line edit on setClientModel (promag)
#16348 Assert QMetaObject::invokeMethod result (promag)
Build system
#15985 Add test for GCC bug 90348 (sipa)
#15947 Install bitcoin-wallet manpage (domob1812)
#15983 build with -fstack-reuse=none (MarcoFalke)
Tests and QA
#15826 Pure python EC (sipa)
#15893 Add test for superfluous witness record in deserialization (instagibbs)
#14818 Bugfix: test/functional/rpc_psbt: Remove check for specific error message that depends on uncertain assumptions (luke-jr)
#15831 Add test that addmultisigaddress fails for watchonly addresses (MarcoFalke)
Documentation
#15890 Remove text about txes always relayed from -whitelist (harding)
Miscellaneous
#16095 Catch by reference not value in wallettool (kristapsk)
#16205 Replace fprintf with tfm::format (MarcoFalke)
Actualización BitcoinCore 0.18.1, aquí esta todo lo que han incluido y actualizado.