[doc] archive v26.2 release notes

doc/release-notes/release-notes-26.2.md

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+26.2 Release Notes
+==================
+
+Bitcoin Core version 26.2 is now available from:
+
+  <https://bitcoincore.org/bin/bitcoin-core-26.2/>
+
+This release includes new features, various bug fixes and performance
+improvements, as well as updated translations.
+
+Please report bugs using the issue tracker at GitHub:
+
+  <https://github.com/bitcoin/bitcoin/issues>
+
+To receive security and update notifications, please subscribe to:
+
+  <https://bitcoincore.org/en/list/announcements/join/>
+
+How to Upgrade
+==============
+
+If you are running an older version, shut it down. Wait until it has completely
+shut down (which might take a few minutes in some cases), then run the
+installer (on Windows) or just copy over `/Applications/Bitcoin-Qt` (on macOS)
+or `bitcoind`/`bitcoin-qt` (on Linux).
+
+Upgrading directly from a version of Bitcoin Core that has reached its EOL is
+possible, but it might take some time if the data directory needs to be migrated. Old
+wallet versions of Bitcoin Core are generally supported.
+
+Compatibility
+==============
+
+Bitcoin Core is supported and extensively tested on operating systems
+using the Linux kernel, macOS 11.0+, and Windows 7 and newer.  Bitcoin
+Core should also work on most other Unix-like systems but is not as
+frequently tested on them.  It is not recommended to use Bitcoin Core on
+unsupported systems.
+
+Notable changes
+===============
+
+### Script
+
+- #29853: sign: don't assume we are parsing a sane TapMiniscript
+
+### P2P and network changes
+
+- #29691: Change Luke Dashjr seed to dashjr-list-of-p2p-nodes.us
+- #30085: p2p: detect addnode cjdns peers in GetAddedNodeInfo()
+
+### RPC
+
+- #29869: rpc, bugfix: Enforce maximum value for setmocktime
+- #28554: bugfix: throw an error if an invalid parameter is passed to getnetworkhashps RPC
+- #30094: rpc: move UniValue in blockToJSON
+- #29870: rpc: Reword SighashFromStr error message
+
+### Build
+
+- #29747: depends: fix mingw-w64 Qt DEBUG=1 build
+- #29985: depends: Fix build of Qt for 32-bit platforms with recent glibc
+- #30151: depends: Fetch miniupnpc sources from an alternative website
+- #30283: upnp: fix build with miniupnpc 2.2.8
+
+### Misc
+
+- #29776: ThreadSanitizer: Fix #29767
+- #29856: ci: Bump s390x to ubuntu:24.04
+- #29764: doc: Suggest installing dev packages for debian/ubuntu qt5 build
+- #30149: contrib: Renew Windows code signing certificate
+
+Credits
+=======
+
+Thanks to everyone who directly contributed to this release:
+
+- Antoine Poinsot
+- Ava Chow
+- Cory Fields
+- dergoegge
+- fanquake
+- glozow
+- Hennadii Stepanov
+- Jameson Lopp
+- jonatack
+- laanwj
+- Luke Dashjr
+- MarcoFalke
+- nanlour
+- willcl-ark
+
+As well as to everyone that helped with translations on
+[Transifex](https://www.transifex.com/bitcoin/bitcoin/).