chore(main): release core 26.5.0 (#3612)

🤖 I have created a release *beep* *boop*
---


##
[26.5.0](core-v26.4.0...core-v26.5.0)
(2025-03-03)


### Features

* add a flag for stage1->stage2 validium migration
([#3562](#3562))
([92e7895](92e7895))
* add custom DA support in external node
([#3445](#3445))
([1a8546d](1a8546d))
* **contract-verifier:** add Etherscan contract verification
([#3609](#3609))
([a4ea0f2](a4ea0f2))
* **da-clients:** raise Avail blob size to 1mb
([#3624](#3624))
([0baa7ff](0baa7ff))
* **eigenda:** implement eigenDA client remaining features
([#3243](#3243))
([88fc971](88fc971))
* preparation for new precompiles
([#3535](#3535))
([3c1f3fb](3c1f3fb))
* **tee:** add support for recoverable signatures
([#3414](#3414))
([7241a73](7241a73))
* **zkos:** Implement ZK OS Merkle tree
([#3625](#3625))
([331e98c](331e98c))


### Bug Fixes

* **api:** Fix pending transactions filter again
([#3630](#3630))
([7afa20f](7afa20f))
* **api:** lock simultaneous tx insertsion with mutex
([#3616](#3616))
([644b621](644b621))
* block.timestamp is not accurate
([#3398](#3398))
([adcb517](adcb517))
* Fflonk versioning
([#3610](#3610))
([fc80840](fc80840))
* Limit number of connections open for GCS interactions
([#3637](#3637))
([6b003e2](6b003e2))


### Performance Improvements

* **api:** Use watch channel in values cache updates
([#3663](#3663))
([3a4bdcf](3a4bdcf))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: zksync-era-bot <[email protected]>

.github/release-please/manifest.json

@@ -1,5 +1,5 @@
 {
-  "core": "26.4.0",
+  "core": "26.5.0",
   "prover": "18.0.0",
   "zkstack_cli": "0.1.2"
 }

core/CHANGELOG.md

@@ -1,5 +1,33 @@
 # Changelog
 
+## [26.5.0](https://github.com/matter-labs/zksync-era/compare/core-v26.4.0...core-v26.5.0) (2025-03-03)
+
+
+### Features
+
+* add a flag for stage1->stage2 validium migration ([#3562](https://github.com/matter-labs/zksync-era/issues/3562)) ([92e7895](https://github.com/matter-labs/zksync-era/commit/92e78955850e59f16967dff20122d56144509498))
+* add custom DA support in external node ([#3445](https://github.com/matter-labs/zksync-era/issues/3445)) ([1a8546d](https://github.com/matter-labs/zksync-era/commit/1a8546ddcd6b126657a99f68576b2a837a4c416d))
+* **contract-verifier:** add Etherscan contract verification ([#3609](https://github.com/matter-labs/zksync-era/issues/3609)) ([a4ea0f2](https://github.com/matter-labs/zksync-era/commit/a4ea0f2acae301e12338a862d6a76829899114d4))
+* **da-clients:** raise Avail blob size to 1mb ([#3624](https://github.com/matter-labs/zksync-era/issues/3624)) ([0baa7ff](https://github.com/matter-labs/zksync-era/commit/0baa7ff61805e90b1eaac202ed6e26f5cacfb532))
+* **eigenda:** implement eigenDA client remaining features ([#3243](https://github.com/matter-labs/zksync-era/issues/3243)) ([88fc971](https://github.com/matter-labs/zksync-era/commit/88fc9714b42e3cb81dab970ec55b2bbfe0c49f52))
+* preparation for new precompiles ([#3535](https://github.com/matter-labs/zksync-era/issues/3535)) ([3c1f3fb](https://github.com/matter-labs/zksync-era/commit/3c1f3fb0f24d1c19dce52b98df521703fa1bf638))
+* **tee:** add support for recoverable signatures ([#3414](https://github.com/matter-labs/zksync-era/issues/3414)) ([7241a73](https://github.com/matter-labs/zksync-era/commit/7241a73b27d0e71cbe6644a741a685bf45d11d5f))
+* **zkos:** Implement ZK OS Merkle tree ([#3625](https://github.com/matter-labs/zksync-era/issues/3625)) ([331e98c](https://github.com/matter-labs/zksync-era/commit/331e98c60508e1d4fbd6135e826400ed05d8a9d1))
+
+
+### Bug Fixes
+
+* **api:** Fix pending transactions filter again ([#3630](https://github.com/matter-labs/zksync-era/issues/3630)) ([7afa20f](https://github.com/matter-labs/zksync-era/commit/7afa20f74ee54af0b49e2f42f7e673de26a07e4f))
+* **api:** lock simultaneous tx insertsion with mutex ([#3616](https://github.com/matter-labs/zksync-era/issues/3616)) ([644b621](https://github.com/matter-labs/zksync-era/commit/644b62144da7bc1d12190c6e7cd2863aaaae985a))
+* block.timestamp is not accurate ([#3398](https://github.com/matter-labs/zksync-era/issues/3398)) ([adcb517](https://github.com/matter-labs/zksync-era/commit/adcb5172bf9aba308ae23c9031d32834be6997ea))
+* Fflonk versioning ([#3610](https://github.com/matter-labs/zksync-era/issues/3610)) ([fc80840](https://github.com/matter-labs/zksync-era/commit/fc80840d355aab1e8c65ca60bd2f5cb12e0638ab))
+* Limit number of connections open for GCS interactions ([#3637](https://github.com/matter-labs/zksync-era/issues/3637)) ([6b003e2](https://github.com/matter-labs/zksync-era/commit/6b003e2c3d3e576a6fedd4a05f07a46a2fe7f348))
+
+
+### Performance Improvements
+
+* **api:** Use watch channel in values cache updates ([#3663](https://github.com/matter-labs/zksync-era/issues/3663)) ([3a4bdcf](https://github.com/matter-labs/zksync-era/commit/3a4bdcf218012e1c42cb099ccdca3e6d48360f75))
+
 ## [26.4.0](https://github.com/matter-labs/zksync-era/compare/core-v26.3.0...core-v26.4.0) (2025-02-13)