fix: solana send transaction

[0xmkh]

Description

Fixed an issue where you could not send custom instruction transactions on solana

Type of change

• Chore (non-breaking change that addresses non-functional tasks, maintenance, or code quality improvements)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Associated Issues

For Linear issues: Closes APKT-xxx
For GH issues: closes #...

Showcase (Optional)

If there is a UI change include the screenshots with before and after state.
If new feature is being introduced, include the link to demo recording.

Checklist

• Code in this PR is covered by automated tests (Unit tests, E2E tests)
• My changes generate no new warnings
• I have reviewed my own code
• I have filled out all required sections
• I have tested my changes on the preview link
• Approver of this PR confirms that the changes are tested on the preview link

[changeset-bot]

⚠️ No Changeset found

Latest commit: bb91a95

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Project	Deployment	Review	Updated (UTC)
appkit-basic-html	Ready	Preview, Comment	Jan 5, 2026 4:52pm
appkit-demo	Ready	Preview, Comment	Jan 5, 2026 4:52pm
appkit-gallery	Ready	Preview, Comment	Jan 5, 2026 4:52pm
appkit-headless-sample-app	Ready	Preview, Comment	Jan 5, 2026 4:52pm
appkit-laboratory	Ready	Preview, Comment	Jan 5, 2026 4:52pm

10 Skipped Deployments

Project	Deployment	Review	Updated (UTC)
appkit-basic-example	Ignored		Jan 5, 2026 4:52pm
appkit-basic-sign-client-example	Ignored		Jan 5, 2026 4:52pm
appkit-basic-up-example	Ignored		Jan 5, 2026 4:52pm
appkit-ethers5-bera	Ignored		Jan 5, 2026 4:52pm
appkit-nansen-demo	Ignored		Jan 5, 2026 4:52pm
appkit-vue-solana	Ignored		Jan 5, 2026 4:52pm
appkit-wagmi-cdn-example	Ignored		Jan 5, 2026 4:52pm
ethereum-provider-wagmi-example	Ignored		Jan 5, 2026 4:52pm
next-wagmi-solana-bitcoin-example	Ignored		Jan 5, 2026 4:52pm
vue-wagmi-example	Ignored		Jan 5, 2026 4:52pm

[github-actions]

Visual Regression Test Results ✅ Passed

⚠️ 7 visual change(s) detected

Chromatic Build: https://www.chromatic.com/build?appId=6493191bf4b10fed8ca7353f&number=565
Storybook Preview: https://6493191bf4b10fed8ca7353f-jqcozkhawn.chromatic.com/

👉 Please review the visual changes in Chromatic and accept or reject them.

[github-actions]

📦 Bundle Size Check

✅ All bundles are within size limits

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[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: npm i baseline-browser-mapping@latest -D

@reown/appkit - Main Entry
Size limit:   80 kB
Size:         75.01 kB with all dependencies, minified and gzipped
Loading time: 1.5 s    on slow 3G
Running time: 792 ms   on Snapdragon 410
Total time:   2.3 s
@reown/appkit/react
Size limit:   235 kB
Size:         233.03 kB with all dependencies, minified and gzipped
Loading time: 4.6 s     on slow 3G
Running time: 1.7 s     on Snapdragon 410
Total time:   6.2 s
@reown/appkit/vue
Size limit:   80 kB
Size:         75.01 kB with all dependencies, minified and gzipped
Loading time: 1.5 s    on slow 3G
Running time: 375 ms   on Snapdragon 410
Total time:   1.9 s
@reown/appkit-scaffold-ui
Size limit:   220 kB
Size:         212.49 kB with all dependencies, minified and gzipped
Loading time: 4.2 s     on slow 3G
Running time: 787 ms    on Snapdragon 410
Total time:   5 s
@reown/appkit-ui
Size limit:   500 kB
Size:         13.15 kB with all dependencies, minified and gzipped
Loading time: 257 ms   on slow 3G
Running time: 59 ms    on Snapdragon 410
Total time:   315 ms

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	78.5%	39303 / 50065
🔵	Statements	78.5%	39303 / 50065
🔵	Functions	76.19%	4231 / 5553
🔵	Branches	86.75%	9546 / 11003

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
packages/adapters/bitcoin/src/adapter.ts	84.16%	84.74%	70.96%	84.16%	67-80, 83, 199-200, 305-321, 402-403, 410-411, 443-444, 456-457, 508-509, 565-568, 572-606, 610-611
packages/adapters/ethers/src/client.ts	65.49%	75.96%	63.63%	65.49%	109-110, 123-124, 147-148, 162-185, 198-234, 240-241, 248-265, 294-295, 390-415, 418-423, 436-437, 447-468, 474-476, 479-480, 507, 536-537, 545-546, 574-579, 598-644, 651-652, 674, 703-704, 715-716, 750-751, 755, 770-771, 788-793, 802-820, 826-827, 836-837, 848-849, 855-867
packages/adapters/ethers5/src/client.ts	60.64%	73.68%	63.63%	60.64%	69-90, 106-107, 120-121, 144-145, 159-182, 195-231, 234-235, 241-242, 249-266, 385-410, 413-418, 431-432, 442-463, 469-471, 474-475, 502, 531-532, 540-541, 569-574, 578-624, 646-647, 669, 698-699, 711-712, 749-750, 754, 768-793, 801-819, 825-826, 835-836, 847-848, 854-866
packages/adapters/solana/src/client.ts	66.02%	76.08%	39.47%	66.02%	103-110, 143-146, 149-212, 215-216, 219-220, 223-224, 227-230, 233-241, 248-249, 259-279, 287-288, 293-299, 324-337, 341-342, 345-346, 354-355, 360-367, 387-400, 423-426, 450-451, 461-462, 481-482, 489-490, 514-515, 519-520, 523-524, 561-565, 589-590, 613-619
packages/adapters/ton/src/adapter.ts	91.45%	92.64%	81.48%	91.45%	64-77, 80, 109-110, 129-130, 178-179, 201-202, 315-316
packages/adapters/wagmi/src/client.ts	76.06%	66.66%	79.54%	76.06%	124-125, 130-131, 142-144, 146, 208-209, 249-252, 362-363, 377, 387-388, 401-402, 479-480, 492-493, 534-535, 552-567, 581-598, 618-619, 632-641, 652-653, 657-658, 663-695, 714-723, 727-733, 736-747, 756-757, 768-769, 790-792, 806-807, 820-821, 836-837, 880-881, 905-906, 914-915, 920-921, 928-929, 937-938, 943-944, 953-954, 962-963, 968-969, 975-997, 1000-1013
packages/appkit/src/client/appkit-base-client.ts	71.35%	85.58%	74.89%	71.35%	183-189, 209, 222-225, 228, 240-241, 247-248, 251, 260, 307-308, 354-355, 393-394, 396-397, 402-403, 483-484, 520-526, 597-598, 620-635, 638, 672-673, 676, 717-721, 728-729, 732-733, 738-739, 750-773, 782-783, 800-820, 824-845, 848-874, 877-883, 886-892, 895-901, 904-910, 913-923, 926-932, 935-942, 956-965, 968-974, 977-978, 981-982, 1001-1002, 1025-1065, 1072-1084, 1090-1117, 1120-1130, 1162-1163, 1188-1189, 1194, 1209-1225, 1239, 1243-1251, 1282-1283, 1302-1305, 1309-1310, 1312-1313, 1347-1349, 1353-1374, 1379-1380, 1388-1389, 1391-1392, 1486-1487, 1499-1500, 1505, 1528-1533, 1580, 1601-1602, 1611, 1613-1629, 1634, 1680-1681, 1693-1704, 1750-1763, 1808, 1814-1818, 1839-1854, 1857-1858, 1884-1887, 1923-1942, 1974, 2017-2018, 2024-2050, 2271-2272, 2309-2310, 2313-2314, 2330-2333, 2336-2337, 2357-2358, 2361-2362, 2374-2384, 2404-2405, 2408-2415, 2419-2420, 2434, 2442, 2447, 2452-2471, 2474-2483, 2490-2495, 2513-2514, 2517-2518, 2525-2526, 2565-2566, 2637-2638, 2641-2642, 2645-2648, 2651-2652, 2655-2656, 2659-2660, 2663-2664, 2667-2671, 2680-2689, 2698-2709, 1372, 2454-2475
packages/appkit/src/universal-adapter/client.ts	52.91%	58.06%	34.21%	52.91%	18-19, 33-42, 61-64, 99-103, 109, 111-115, 121, 131-164, 173-176, 179-182, 185-188, 190-193, 196-197, 200-201, 204-205, 208-209, 212-213, 216-217, 220-227, 240, 244-247, 263-264, 272-34, 132-186
packages/controllers/src/controllers/ConnectionController.ts	84.7%	87.6%	52.68%	84.7%	176, 235-239, 242-246, 288-292, 300-301, 308-327, 342, 346, 350, 354, 358, 362, 366, 370, 374, 378, 461, 465, 487-491, 506-508, 519-520, 555-556, 566-567, 569-570, 578-579, 581-582, 601-602
packages/controllers/src/controllers/AdapterController/ChainAdapterBlueprint.ts	70.6%	85.29%	73.52%	70.6%	144-155, 237-238, 242-243, 266-270, 276-279, 309-310, 347-348, 361-362, 524-551, 564-592, 610-611, 624-653, 662-663, 778-779, 300-562
packages/pay/src/controllers/PayController.ts	88.65%	91.89%	83.6%	88.65%	197, 271-272, 320, 399-412, 553-558, 672-689, 693-723, 727-745, 831-832, 904

Generated in workflow #16599 for commit bb91a95 by the Vitest Coverage Report Action