-<li><a href="#_release_notes_for_version_1_9_17">H.1. Release Notes for Version 1.9.17</a></li>
-<li><a href="#_release_notes_for_version_1_9_16">H.2. Release Notes for Version 1.9.16</a></li>
-<li><a href="#_release_notes_for_version_1_9_15">H.3. Release Notes for Version 1.9.15</a></li>
-<li><a href="#_release_notes_for_version_1_9_14">H.4. Release Notes for Version 1.9.14</a></li>
-<li><a href="#_release_notes_for_version_1_9_13">H.5. Release Notes for Version 1.9.13</a></li>
-<li><a href="#_release_notes_for_version_1_9_12">H.6. Release Notes for Version 1.9.12</a></li>
-<li><a href="#_release_notes_for_version_1_9_11">H.7. Release Notes for Version 1.9.11</a></li>
-<li><a href="#_release_notes_for_version_1_9_10">H.8. Release Notes for Version 1.9.10</a></li>
-<li><a href="#_release_notes_for_version_1_9_9">H.9. Release Notes for Version 1.9.9</a></li>
-<li><a href="#_release_notes_for_version_1_9_8">H.10. Release Notes for Version 1.9.8</a></li>
-<li><a href="#_release_notes_for_version_1_9_7">H.11. Release Notes for Version 1.9.7</a></li>
-<li><a href="#_release_notes_for_version_1_9_6">H.12. Release Notes for Version 1.9.6</a></li>
-<li><a href="#_release_notes_for_version_1_9_5">H.13. Release Notes for Version 1.9.5</a></li>
-<li><a href="#_release_notes_for_version_1_9_4">H.14. Release Notes for Version 1.9.4</a></li>
-<li><a href="#_release_notes_for_version_1_9_3">H.15. Release Notes for Version 1.9.3</a></li>
-<li><a href="#_release_notes_for_version_1_9_2">H.16. Release Notes for Version 1.9.2</a></li>
-<li><a href="#_release_notes_for_version_1_9_1">H.17. Release Notes for Version 1.9.1</a></li>
-<li><a href="#_release_notes_for_version_1_9">H.18. Release Notes for Version 1.9</a></li>
-<li><a href="#_release_notes_for_version_1_8_7">H.19. Release Notes for Version 1.8.7</a></li>
-<li><a href="#_release_notes_for_version_1_8_6">H.20. Release Notes for Version 1.8.6</a></li>
-<li><a href="#_release_notes_for_version_1_8_5">H.21. Release Notes for Version 1.8.5</a></li>
-<li><a href="#_release_notes_for_version_1_8_4">H.22. Release Notes for Version 1.8.4</a></li>
-<li><a href="#_release_notes_for_version_1_8_3">H.23. Release Notes for Version 1.8.3</a></li>
-<li><a href="#_release_notes_for_version_1_8_2">H.24. Release Notes for Version 1.8.2</a></li>
-<li><a href="#_release_notes_for_version_1_8_1">H.25. Release Notes for Version 1.8.1</a></li>
-<li><a href="#_release_notes_for_version_1_8">H.26. Release Notes for Version 1.8</a></li>
-<li><a href="#_release_notes_for_version_1_7">H.27. Release Notes for Version 1.7</a></li>
-<li><a href="#_release_notes_for_version_1_6_8">H.28. Release Notes for Version 1.6.8</a></li>
-<li><a href="#_release_notes_for_version_1_6_5">H.29. Release Notes for Version 1.6.5</a></li>
-<li><a href="#_release_notes_for_version_1_6_4">H.30. Release Notes for Version 1.6.4</a></li>
-<li><a href="#_release_notes_for_version_1_6_3">H.31. Release Notes for Version 1.6.3</a></li>
-<li><a href="#_release_notes_for_version_1_6_2">H.32. Release Notes for Version 1.6.2</a></li>
-<li><a href="#_release_notes_for_version_1_6_1">H.33. Release Notes for Version 1.6.1</a></li>
-<li><a href="#_release_notes_for_version_1_6">H.34. Release Notes for Version 1.6</a></li>
-<li><a href="#_release_notes_for_version_1_5">H.35. Release Notes for Version 1.5</a></li>
-<li><a href="#_release_notes_for_version_1_4_2">H.36. Release Notes for Version 1.4.2</a></li>
-<li><a href="#_release_notes_for_version_1_4_1">H.37. Release Notes for Version 1.4.1</a></li>
-<li><a href="#_release_notes_for_version_1_4">H.38. Release Notes for Version 1.4</a></li>
-<li><a href="#_release_notes_for_version_1_3_2">H.39. Release Notes for Version 1.3.2</a></li>
-<li><a href="#_release_notes_for_version_1_3_1">H.40. Release Notes for Version 1.3.1</a></li>
-<li><a href="#_release_notes_for_version_1_3">H.41. Release Notes for Version 1.3</a></li>
-<li><a href="#_release_notes_for_version_1_2_1">H.42. Release Notes for Version 1.2.1</a></li>
-<li><a href="#_release_notes_for_version_1_2">H.43. Release Notes for Version 1.2</a></li>
-<li><a href="#_release_notes_for_version_1_1">H.44. Release Notes for Version 1.1</a></li>
-<li><a href="#_release_notes_for_version_1_1_2">H.45. Release Notes for Version 1.1</a></li>
-<li><a href="#_release_notes_for_version_1_0_1">H.46. Release Notes for Version 1.0.1</a></li>
-<li><a href="#_release_notes_for_version_0_9_2">H.47. Release Notes for Version 0.9.2</a></li>
-<li><a href="#_release_notes_for_version_0_9">H.48. Release Notes for Version 0.9</a></li>
-<li><a href="#_release_notes_for_version_0_8">H.49. Release Notes for Version 0.8</a></li>
-<li><a href="#_release_notes_for_version_0_7_1">H.50. Release Notes for Version 0.7.1</a></li>
+<li><a href="#_release_notes_for_version_1_9_18">H.1. Release Notes for Version 1.9.18</a></li>
+<li><a href="#_release_notes_for_version_1_9_17">H.2. Release Notes for Version 1.9.17</a></li>
+<li><a href="#_release_notes_for_version_1_9_16">H.3. Release Notes for Version 1.9.16</a></li>
+<li><a href="#_release_notes_for_version_1_9_15">H.4. Release Notes for Version 1.9.15</a></li>
+<li><a href="#_release_notes_for_version_1_9_14">H.5. Release Notes for Version 1.9.14</a></li>
+<li><a href="#_release_notes_for_version_1_9_13">H.6. Release Notes for Version 1.9.13</a></li>
+<li><a href="#_release_notes_for_version_1_9_12">H.7. Release Notes for Version 1.9.12</a></li>
+<li><a href="#_release_notes_for_version_1_9_11">H.8. Release Notes for Version 1.9.11</a></li>
+<li><a href="#_release_notes_for_version_1_9_10">H.9. Release Notes for Version 1.9.10</a></li>
+<li><a href="#_release_notes_for_version_1_9_9">H.10. Release Notes for Version 1.9.9</a></li>
+<li><a href="#_release_notes_for_version_1_9_8">H.11. Release Notes for Version 1.9.8</a></li>
+<li><a href="#_release_notes_for_version_1_9_7">H.12. Release Notes for Version 1.9.7</a></li>
+<li><a href="#_release_notes_for_version_1_9_6">H.13. Release Notes for Version 1.9.6</a></li>
+<li><a href="#_release_notes_for_version_1_9_5">H.14. Release Notes for Version 1.9.5</a></li>
+<li><a href="#_release_notes_for_version_1_9_4">H.15. Release Notes for Version 1.9.4</a></li>
+<li><a href="#_release_notes_for_version_1_9_3">H.16. Release Notes for Version 1.9.3</a></li>
+<li><a href="#_release_notes_for_version_1_9_2">H.17. Release Notes for Version 1.9.2</a></li>
+<li><a href="#_release_notes_for_version_1_9_1">H.18. Release Notes for Version 1.9.1</a></li>
+<li><a href="#_release_notes_for_version_1_9">H.19. Release Notes for Version 1.9</a></li>
+<li><a href="#_release_notes_for_version_1_8_7">H.20. Release Notes for Version 1.8.7</a></li>
+<li><a href="#_release_notes_for_version_1_8_6">H.21. Release Notes for Version 1.8.6</a></li>
+<li><a href="#_release_notes_for_version_1_8_5">H.22. Release Notes for Version 1.8.5</a></li>
+<li><a href="#_release_notes_for_version_1_8_4">H.23. Release Notes for Version 1.8.4</a></li>
+<li><a href="#_release_notes_for_version_1_8_3">H.24. Release Notes for Version 1.8.3</a></li>
+<li><a href="#_release_notes_for_version_1_8_2">H.25. Release Notes for Version 1.8.2</a></li>
+<li><a href="#_release_notes_for_version_1_8_1">H.26. Release Notes for Version 1.8.1</a></li>
+<li><a href="#_release_notes_for_version_1_8">H.27. Release Notes for Version 1.8</a></li>
+<li><a href="#_release_notes_for_version_1_7">H.28. Release Notes for Version 1.7</a></li>
+<li><a href="#_release_notes_for_version_1_6_8">H.29. Release Notes for Version 1.6.8</a></li>
+<li><a href="#_release_notes_for_version_1_6_5">H.30. Release Notes for Version 1.6.5</a></li>
+<li><a href="#_release_notes_for_version_1_6_4">H.31. Release Notes for Version 1.6.4</a></li>
+<li><a href="#_release_notes_for_version_1_6_3">H.32. Release Notes for Version 1.6.3</a></li>
+<li><a href="#_release_notes_for_version_1_6_2">H.33. Release Notes for Version 1.6.2</a></li>
+<li><a href="#_release_notes_for_version_1_6_1">H.34. Release Notes for Version 1.6.1</a></li>
+<li><a href="#_release_notes_for_version_1_6">H.35. Release Notes for Version 1.6</a></li>
+<li><a href="#_release_notes_for_version_1_5">H.36. Release Notes for Version 1.5</a></li>
+<li><a href="#_release_notes_for_version_1_4_2">H.37. Release Notes for Version 1.4.2</a></li>
+<li><a href="#_release_notes_for_version_1_4_1">H.38. Release Notes for Version 1.4.1</a></li>
+<li><a href="#_release_notes_for_version_1_4">H.39. Release Notes for Version 1.4</a></li>
+<li><a href="#_release_notes_for_version_1_3_2">H.40. Release Notes for Version 1.3.2</a></li>
+<li><a href="#_release_notes_for_version_1_3_1">H.41. Release Notes for Version 1.3.1</a></li>
+<li><a href="#_release_notes_for_version_1_3">H.42. Release Notes for Version 1.3</a></li>
+<li><a href="#_release_notes_for_version_1_2_1">H.43. Release Notes for Version 1.2.1</a></li>
+<li><a href="#_release_notes_for_version_1_2">H.44. Release Notes for Version 1.2</a></li>
+<li><a href="#_release_notes_for_version_1_1">H.45. Release Notes for Version 1.1</a></li>
+<li><a href="#_release_notes_for_version_1_1_2">H.46. Release Notes for Version 1.1</a></li>
+<li><a href="#_release_notes_for_version_1_0_1">H.47. Release Notes for Version 1.0.1</a></li>
+<li><a href="#_release_notes_for_version_0_9_2">H.48. Release Notes for Version 0.9.2</a></li>
+<li><a href="#_release_notes_for_version_0_9">H.49. Release Notes for Version 0.9</a></li>
+<li><a href="#_release_notes_for_version_0_8">H.50. Release Notes for Version 0.8</a></li>
+<li><a href="#_release_notes_for_version_0_7_1">H.51. Release Notes for Version 0.7.1</a></li>