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Upstream Updates - Mon Aug 24 00:11:04 UTC 2026 #1606

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7e41a4f88f95eadd6c4d6612aa2f25fd669024df^..6dbd74b625df0420bf11e6ae6c06f3895365cbba

diff --git a/Feature-Gate-Tracker-Schedule.md b/Feature-Gate-Tracker-Schedule.md
index 053f403..1650f05 100644
--- a/Feature-Gate-Tracker-Schedule.md
+++ b/Feature-Gate-Tracker-Schedule.md
@@ -4,29 +4,36 @@ The version floor is the current minimum supported software version for a cluste
 || Testnet  | Devnet   | Mainnet Beta |
 | :-----: | :------: | :------: | :----------: |
 | Current floor | Agave: v4.2.0-beta.1 <br> Frankendancer: v0.1102.40201 | Agave: v4.2.0-beta.1 <br> Frankendancer: v0.1102.40201 | Agave: v4.1-beta.0 <br> Frankendancer: 0.1004.0-rc.40101 |
-| Next expected floor * |  Agave: TBD <br> Frankendancer: TBD| Agave: TBD <br> Frankendancer: TBD | Agave: v4.2.0-beta.1 <br> Frankendancer: v0.1102.40201 |
+| Next expected floor * |  Agave: v4.2.0 <br> Frankendancer: v0.1105.40200 | Agave: v4.2.0 <br> Frankendancer: v0.1105.40200 | Agave: v4.2.0-beta.1 <br> Frankendancer: v0.1102.40201 |
 
 * These dates are tentative. Please keep an eye out for comms as the dates near
 
 
 ## Current Schedule
+The schedule is also available in machine readable format: https://raw.githubusercontent.com/wiki/anza-xyz/agave/feature-gate-tracker-schedule.json
+
 ### Pending Mainnet Beta Activation
-| Key | SIMD | Agave Version | FRD Version | FD Version | Jito Version | Testnet | Devnet | Description | Owner |
-|-----|------|---------------|-------------|------------|--------------|---------|--------|-------------|-------|
-| iBRL5RuWhw4yqaAZu96RUULHckHTZAoe2b77qaV38JZ | 0525  | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  | 1000 | 1115 | SIMD-0525: Reduce Slot Time to 350ms | bw-solana |
-| iBRLL3k18HST852F1Mf3Lv83waTNQmmqvKDxvYGwQFL | 0525  | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  | 1002 | 1118 | SIMD-0525: Reduce Slot Time to 300ms | bw-solana |
-| s512oDwgx8hjMnaQjXfqqrZroVj4HvC6TkN3iSSWXCh | 0512  | v4.1.0-beta.0 | v0.1001.40101 |v1.0 |  | 977 | 1092 | SIMD-0512: SHA512 Syscall | deanmlittle |
-| 7VgiehxNxu53KdxgLspGQY8myE6f7UokaWa4jsGcaSz | 0460  | v4.0.0-beta.0 | v0.903.40004 |v1.0 | v4.0.0-beta.0 | 957 | 1073 | SIMD-0460: Virtual Address Space Adjustments | Lichtso |
-| CR3dVN2Yoo95Y96kLSTaziWDAQT2MNEpiWh5cqVq2pNE |   | v4.0.0-beta.0 | v0.903.40004 |v1.0 | v4.0.0-beta.0 | 958 | 1074 | Account Data Direct Mapping | Lichtso |
-| ptr9umikaeAS7ZBBp2fsfRhie16F1V2jCKA2y6gXNAK | 0449  | v4.1.0-beta.0 | v0.1001.40101 |v1.0 |  | 981 | 1099 | SIMD-0449: Direct Account Pointers in Program Input | febo |
+| Description | Key | Agave Version | FRD Version | FD Version | Jito Version | Testnet | Devnet | Owner |
+|-------------|-----|---------------|-------------|------------|--------------|---------|--------|-------|
+| SIMD-0525: Reduce Slot Time to 300ms | iBRLL3k18HST852F1Mf3Lv83waTNQmmqvKDxvYGwQFL | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  | 1002 | 1118 | bw-solana |
+| SIMD-0525: Reduce Slot Time to 250ms | iBRLMc81UjRa8fn8A6eE8bJTnRbgQoPTynM51akENCV | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  | 1004 | 1123 | bw-solana |
+| SIMD-0512: SHA512 Syscall | s512oDwgx8hjMnaQjXfqqrZroVj4HvC6TkN3iSSWXCh | v4.1.0-beta.0 | v0.1001.40101 |v1.0 |  | 977 | 1092 | deanmlittle |
+| SIMD-0460: Virtual Address Space Adjustments | 7VgiehxNxu53KdxgLspGQY8myE6f7UokaWa4jsGcaSz | v4.0.0-beta.0 | v0.903.40004 |v1.0 | v4.0.0-beta.0 | 957 | 1073 | Lichtso |
+| Account Data Direct Mapping | CR3dVN2Yoo95Y96kLSTaziWDAQT2MNEpiWh5cqVq2pNE | v4.0.0-beta.0 | v0.903.40004 |v1.0 | v4.0.0-beta.0 | 958 | 1074 | Lichtso |
+| SIMD-0449: Direct Account Pointers in Program Input | ptr9umikaeAS7ZBBp2fsfRhie16F1V2jCKA2y6gXNAK | v4.1.0-beta.0 | v0.1001.40101 |v1.0 |  | 981 | 1099 | febo |
 
 ### Pending Devnet Activation
-| Key | SIMD | Agave Version | FRD Version | FD Version | Jito Version | Testnet | Devnet | Description | Owner |
-|-----|------|---------------|-------------|------------|--------------|---------|--------|-------------|-------|
-| iBRLMc81UjRa8fn8A6eE8bJTnRbgQoPTynM51akENCV | 0525  | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  | 1004 |  | SIMD-0525: Reduce Slot Time to 250ms | bw-solana |
+| Description | Key | Agave Version | FRD Version | FD Version | Jito Version | Testnet | Devnet | Owner |
+|-------------|-----|---------------|-------------|------------|--------------|---------|--------|-------|
+| SIMD-0525: Reduce Slot Time to 200ms | iBRLjhJnkmDZgNoZRDMW11d8ZV7HvsL3vAyRjZB5npW | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  | 1006 |  | bw-solana |
+| SIMD-0391: Upgrade BPF Stake Program to v5.1.0 (fixed-point warmup/cooldown) | s51VGwCAgebo2745DSUris72RavoLkXGUmVJosESCXr | v4.2.0-beta.0 | v0.1102.40201 |v26.08.0 |  | 1011 |  | grod220 |
 
 
 ### Pending Testnet Activation
-| Key | SIMD | Agave Version | FRD Version | FD Version | Jito Version | Testnet | Devnet | Description | Owner |
-|-----|------|---------------|-------------|------------|--------------|---------|--------|-------------|-------|
-| iBRLjhJnkmDZgNoZRDMW11d8ZV7HvsL3vAyRjZB5npW | 0525  | v4.2.0-beta.1 | v0.1102.40201 |v1.1.1 |  |  |  | SIMD-0525: Reduce Slot Time to 200ms | bw-solana |
+| Description | Key | Agave Version | FRD Version | FD Version | Jito Version | Testnet | Devnet | Owner |
+|-------------|-----|---------------|-------------|------------|--------------|---------|--------|-------|
+| SIMD-0392: Relaxation of post-execution min_balance check | BY4JhHLahVzS9ynfDz4exzGPbVXhFmJvEyMWsXbDBqME | v4.2.0 | v0.1105.40200 |v26.08.0 |  |  |  | igor56D |
+| SIMD-0437-1: Set lamports per byte to 6333 | 4a6f7o7iTcA8hRDCrPLkSatnt5Ykxiu36wo5p1Tt12wC | v4.2.0-beta.1 | v0.1105.40200 |v26.08.0 |  |  |  | igor56D |
+| SIMD-0385: Transaction V1 | txv1aq4pp281K9um3tnPgkfX8UqtFT6wcVW3hNezGLL | v4.2.0-beta.0 | v0.1106.40201 |v26.08.0 |  |  |  | apfitzge |
+| SIMD-0232: Custom Commission Collector | 3HcSrCTGXTUnrTueHi4DAwNuMxZSsm5xui2Ax3mgxHqf | v4.2.0-beta.0 | v0.1102.40201 |v26.08.0 |  |  |  | joncinque |
+| SIMD-0437-2: Set lamports per byte to 5080 | 61BtM7BkDEE8Yq5fskEVAQT9mYA8qCejJWoLe5apqg81 | v4.2.0-beta.1 | v0.1105.40200 |v26.08.0 |  |  |  | igor56D |
diff --git a/feature-gate-tracker-schedule.json b/feature-gate-tracker-schedule.json
index 37e107d..46c84f2 100644
--- a/feature-gate-tracker-schedule.json
+++ b/feature-gate-tracker-schedule.json
@@ -1,30 +1,5 @@
 {
   "Fully Activated": [
-    {
-      "Description": "Raises block limits to 100M CUs, expanding network capacity for more transactions",
-      "Devnet Epoch": 1100,
-      "Feature ID": "P1BCUMpAC7V2GRBRiJCNUgpMyWZhoqt3LKo712ePqsz",
-      "Min Agave Versions": [
-        "v3.0.0"
-      ],
-      "Min FD Versions": [
-        "v1.0"
-      ],
-      "Min FRD Versions": [
-        "v0.709.30000"
-      ],
-      "Min Jito Versions": [
-        ""
-      ],
-      "Owners": [
-        "bw-solana"
-      ],
-      "SIMDs": [
-        "0286"
-      ],
-      "Testnet Epoch": 983,
-      "Title": "SIMD-0286: Raise Block Limits to 100M CU"
-    },
     {
       "Description": null,
       "Devnet Epoch": 502,
@@ -1330,6 +1305,31 @@
       "Testnet Epoch": 816,
       "Title": "Fix alt_bn128_multiplication input length"
     },
+    {
+      "Description": "Raises block limits to 100M CUs, expanding network capacity for more transactions",
+      "Devnet Epoch": 1100,
+      "Feature ID": "P1BCUMpAC7V2GRBRiJCNUgpMyWZhoqt3LKo712ePqsz",
+      "Min Agave Versions": [
+        "v3.0.0"
+      ],
+      "Min FD Versions": [
+        "v1.0"
+      ],
+      "Min FRD Versions": [
+        "v0.709.30000"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "bw-solana"
+      ],
+      "SIMDs": [
+        "0286"
+      ],
+      "Testnet Epoch": 983,
+      "Title": "SIMD-0286: Raise Block Limits to 100M CU"
+    },
     {
       "Description": "Raises per-account CU limit to 40% of block CU limit, enabling more activity on hot accounts",
       "Devnet Epoch": 949,
@@ -5545,6 +5545,31 @@
       "Testnet Epoch": 980,
       "Title": "SIMD-0186 Amendment: Define fee-only semantics"
     },
+    {
+      "Description": null,
+      "Devnet Epoch": 1115,
+      "Feature ID": "iBRL5RuWhw4yqaAZu96RUULHckHTZAoe2b77qaV38JZ",
+      "Min Agave Versions": [
+        "v4.2.0-beta.1"
+      ],
+      "Min FD Versions": [
+        "v1.1.1"
+      ],
+      "Min FRD Versions": [
+        "v0.1102.40201"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "bw-solana"
+      ],
+      "SIMDs": [
+        "0525"
+      ],
+      "Testnet Epoch": 1000,
+      "Title": "SIMD-0525: Reduce Slot Time to 350ms"
+    },
     {
       "Description": null,
       "Devnet Epoch": 1091,
@@ -5574,8 +5599,8 @@
   "Pending Mainnet Beta Activation": [
     {
       "Description": null,
-      "Devnet Epoch": 1115,
-      "Feature ID": "iBRL5RuWhw4yqaAZu96RUULHckHTZAoe2b77qaV38JZ",
+      "Devnet Epoch": 1118,
+      "Feature ID": "iBRLL3k18HST852F1Mf3Lv83waTNQmmqvKDxvYGwQFL",
       "Min Agave Versions": [
         "v4.2.0-beta.1"
       ],
@@ -5594,13 +5619,13 @@
       "SIMDs": [
         "0525"
       ],
-      "Testnet Epoch": 1000,
-      "Title": "SIMD-0525: Reduce Slot Time to 350ms"
+      "Testnet Epoch": 1002,
+      "Title": "SIMD-0525: Reduce Slot Time to 300ms"
     },
     {
       "Description": null,
-      "Devnet Epoch": 1118,
-      "Feature ID": "iBRLL3k18HST852F1Mf3Lv83waTNQmmqvKDxvYGwQFL",
+      "Devnet Epoch": 1123,
+      "Feature ID": "iBRLMc81UjRa8fn8A6eE8bJTnRbgQoPTynM51akENCV",
       "Min Agave Versions": [
         "v4.2.0-beta.1"
       ],
@@ -5619,8 +5644,8 @@
       "SIMDs": [
         "0525"
       ],
-      "Testnet Epoch": 1002,
-      "Title": "SIMD-0525: Reduce Slot Time to 300ms"
+      "Testnet Epoch": 1004,
+      "Title": "SIMD-0525: Reduce Slot Time to 250ms"
     },
     {
       "Description": null,
@@ -5727,7 +5752,7 @@
     {
       "Description": null,
       "Devnet Epoch": null,
-      "Feature ID": "iBRLMc81UjRa8fn8A6eE8bJTnRbgQoPTynM51akENCV",
+      "Feature ID": "iBRLjhJnkmDZgNoZRDMW11d8ZV7HvsL3vAyRjZB5npW",
       "Min Agave Versions": [
         "v4.2.0-beta.1"
       ],
@@ -5746,20 +5771,120 @@
       "SIMDs": [
         "0525"
       ],
-      "Testnet Epoch": 1004,
-      "Title": "SIMD-0525: Reduce Slot Time to 250ms"
+      "Testnet Epoch": 1006,
+      "Title": "SIMD-0525: Reduce Slot Time to 200ms"
+    },
+    {
+      "Description": null,
+      "Devnet Epoch": null,
+      "Feature ID": "s51VGwCAgebo2745DSUris72RavoLkXGUmVJosESCXr",
+      "Min Agave Versions": [
+        "v4.2.0-beta.0"
+      ],
+      "Min FD Versions": [
+        "v26.08.0"
+      ],
+      "Min FRD Versions": [
+        "v0.1102.40201"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "grod220"
+      ],
+      "SIMDs": [
+        "0391"
+      ],
+      "Testnet Epoch": 1011,
+      "Title": "SIMD-0391: Upgrade BPF Stake Program to v5.1.0 (fixed-point warmup/cooldown)"
     }
   ],
   "Pending Testnet Activation": [
     {
       "Description": null,
       "Devnet Epoch": null,
-      "Feature ID": "iBRLjhJnkmDZgNoZRDMW11d8ZV7HvsL3vAyRjZB5npW",
+      "Feature ID": "BY4JhHLahVzS9ynfDz4exzGPbVXhFmJvEyMWsXbDBqME",
+      "Min Agave Versions": [
+        "v4.2.0"
+      ],
+      "Min FD Versions": [
+        "v26.08.0"
+      ],
+      "Min FRD Versions": [
+        "v0.1105.40200"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "igor56D"
+      ],
+      "SIMDs": [
+        "0392"
+      ],
+      "Testnet Epoch": "",
+      "Title": "SIMD-0392: Relaxation of post-execution min_balance check"
+    },
+    {
+      "Description": null,
+      "Devnet Epoch": null,
+      "Feature ID": "4a6f7o7iTcA8hRDCrPLkSatnt5Ykxiu36wo5p1Tt12wC",
       "Min Agave Versions": [
         "v4.2.0-beta.1"
       ],
       "Min FD Versions": [
-        "v1.1.1"
+        "v26.08.0"
+      ],
+      "Min FRD Versions": [
+        "v0.1105.40200"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "igor56D"
+      ],
+      "SIMDs": [
+        "0437"
+      ],
+      "Testnet Epoch": "",
+      "Title": "SIMD-0437-1: Set lamports per byte to 6333"
+    },
+    {
+      "Description": null,
+      "Devnet Epoch": null,
+      "Feature ID": "txv1aq4pp281K9um3tnPgkfX8UqtFT6wcVW3hNezGLL",
+      "Min Agave Versions": [
+        "v4.2.0-beta.0"
+      ],
+      "Min FD Versions": [
+        "v26.08.0"
+      ],
+      "Min FRD Versions": [
+        "v0.1106.40201"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "apfitzge"
+      ],
+      "SIMDs": [
+        "0385"
+      ],
+      "Testnet Epoch": "",
+      "Title": "SIMD-0385: Transaction V1"
+    },
+    {
+      "Description": null,
+      "Devnet Epoch": null,
+      "Feature ID": "3HcSrCTGXTUnrTueHi4DAwNuMxZSsm5xui2Ax3mgxHqf",
+      "Min Agave Versions": [
+        "v4.2.0-beta.0"
+      ],
+      "Min FD Versions": [
+        "v26.08.0"
       ],
       "Min FRD Versions": [
         "v0.1102.40201"
@@ -5768,13 +5893,38 @@
         ""
       ],
       "Owners": [
-        "bw-solana"
+        "joncinque"
       ],
       "SIMDs": [
-        "0525"
+        "0232"
       ],
       "Testnet Epoch": "",
-      "Title": "SIMD-0525: Reduce Slot Time to 200ms"
+      "Title": "SIMD-0232: Custom Commission Collector"
+    },
+    {
+      "Description": null,
+      "Devnet Epoch": null,
+      "Feature ID": "61BtM7BkDEE8Yq5fskEVAQT9mYA8qCejJWoLe5apqg81",
+      "Min Agave Versions": [
+        "v4.2.0-beta.1"
+      ],
+      "Min FD Versions": [
+        "v26.08.0"
+      ],
+      "Min FRD Versions": [
+        "v0.1105.40200"
+      ],
+      "Min Jito Versions": [
+        ""
+      ],
+      "Owners": [
+        "igor56D"
+      ],
+      "SIMDs": [
+        "0437"
+      ],
+      "Testnet Epoch": "",
+      "Title": "SIMD-0437-2: Set lamports per byte to 5080"
     }
   ]
 }
diff --git a/v4.2-Release-Schedule.md b/v4.2-Release-Schedule.md
index f8faaa3..92eccf5 100644
--- a/v4.2-Release-Schedule.md
+++ b/v4.2-Release-Schedule.md
@@ -12,4 +12,4 @@ This is a tentative schedule for the stabilization and rollout of Agave v4.2. It
 |Testnet: Begin cluster restart and downgrade/upgrade procedure|2026-07-27|2026-07-27|
 |Mainnet-beta: Ask for volunteers to take 25% of stake to v4.2|2026-08-03|2026-08-05|
 |Mainnet-beta: Recommend v4.2 for general adoption|2026-08-10|2026-08-11|
-|Mainnet-beta: Begin v4.2 feature activations|2026-08-17||
+|Mainnet-beta: Begin v4.2 feature activations|2026-08-17|2026-08-18|
diff --git a/v4.3-Release-Schedule.md b/v4.3-Release-Schedule.md
index 5538a84..e49b70f 100644
--- a/v4.3-Release-Schedule.md
+++ b/v4.3-Release-Schedule.md
@@ -3,7 +3,7 @@ This is a tentative schedule for the stabilisation and roll-out of Agave v4.3. I
 |Milestone|Target Date|Delivery Date|
 |:--------|:----------|:------------|
 |Create v4.3 branch and update master branch version to v4.4|2026-08-11|2026-08-11|
-|Testnet: Recommend nodes running Agave adopt v4.3|2026-08-17||
+|Testnet: Recommend nodes running Agave adopt v4.3|2026-08-17|2026-08-17|
 |Testnet: Begin v4.3 feature activation|2026-08-24||
 |Devnet: Upgrade to v4.3|2026-08-24||
 |Devnet: Begin v4.3 feature activation|2026-08-24|| 

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