DS9 Version 8.1 Release Notes

### SAOImageDS9 Version 8.1 Release Notes

1. `10.29.2018 BLOCK: all supported WCSs now updated to reflect blocking.`
2. `10.30.2018 WFPC2: fixed an issue with blocking and WFPC2 images.`
3. `11.02.2018 MASK: mask now supports WCS, in addition to physical, image.`
4. `11.06.2018 SAVEIMAGE: all supported WCSs now updated to reflect current rotation, orientation, pan, and zoom.`
5. `12.07.2018 CONTOURS: merge old and new contour parsers so that regardless of file extension, the file will be correctly parsed.`
6. `12.10.2018 CONTOURS: LEVELS command now takes one numeric in addition to a string.`
7. `12.14.2018 GRID: add checks to avoid NULL pointers in cases of odd WCS defs.`
8. `12.14.2018 BINNING: bring forward any 3rd column WCS defines for binned 3d cubes.`
9. `12.14.2018 PLOT3D: verify 3D WCS, reset to IMAGE if not available.`
10. `12.19.2018 SAVEIMAGE: is now supported under Windows.`
11. `12.19.2018 MOVIE3D: is now supported under Windows.`
12. `12.27.2018 TCLIIS: update TEA to 3.13.`
13. `12.27.2018 TKSAO: update TEA to 3.13.`
14. `12.29.2018 TKMACOSX: update TEA to 3.13.`
15. `12.29.2018 TKWIN: update TEA to 3.13.`
16. `12.29.2018 TCLSIGNAL: update TEA to 3.13.`
17. `12.29.2018 TCLXML: update TEA to 3.13.`
18. `12.29.2018 TCLZVFS: update TEA to 3.13.`
19. `12.29.2018 TKBLT: update TEA to 3.13.`
20. `12.29.2018 TLS: update TEA to 3.13.`
21. `01.07.2019 TKCON: update TEA to 3.13.`
22. `01.07.2019 TKHTML1: update TEA to 3.13.`
23. `01.07.2019 TKMPEG: update TEA to 3.13.`
24. `01.07.2019 TKTABLE: update TEA to 3.13.`
25. `01.08.2019 TKIMG: updated to version 1.4.7`
26. `01.17.2019 TCLZIPFS: now using tclzipfs for unix port.`
27. `01.24.2019 SAVEIMAGE: is now supported under MacOS Aqua.`
28. `01.24.2019 MOVIE3D: is now supported under Windows.`
29. `01.24.2019 MOVIE3D: is now supported under MacOS Aqua.`
30. `02.11.2019 WCS: 1D WCS is now supported.`
31. `02.11.2019 WCS: Increase WCS params dialog to full 4 axes.`
32. `02.14.2019 BIN: fix binning physical in case of no WCS.`
33. `02.15.2019 TCLLIB: updated to version 1.19.`
34. `02.26.2019 GUI: add command "preserve scale" for backward compatibility.`
35. `02.28.2019 TKBLT: fixed postscript bounding box issue.`
36. `03.01.2019 PLOT: removed old split data sets from plot widgets.`
37. `03.02.2019 SHM: fixed type in loading shared memory segments.`
38. `03.04.2019 CATALOG: fixed issue allowing column names for size/size2/angle via parser.`
39. `03.06.2019 PLOT: update error cap documentation.`
40. `03.06.2019 PLOT: Line Plot, add 0 width option to Width Menu.`
41. `03.06.2019 PLOT: support graph background color.`
42. `03.06.2019 PLOT: add plot export to gif,png,tiff,jpeg.`
43. `03.07.2019 TKBLT: fix segv Marker Op delete.`
44. `03.18.2019 CONTOURS: contours are now threaded.`
45. `03.18.2019 CONTOURS: default contour method is now smooth.`
46. `03.19.2019 TKIMG: update to verision 1.4.9.`
47. `03.21.2019 PLOT: removed old sequence flag.`
48. `03.25.2019 MOVIE: fixed movie 3d to/from params issues.`
49. `03.25.2019 MOVIE: add support for animated gif movies.`
50. `03.28.2019 3D: add 3D mouse mode.`
51. `03.28.2019 GIF: use native Tk gif.`
52. `03.28.2019 PNG: use native Tk png.`
53. `04.16.2019 GUI: fix math::fuzzy issue with MacOS Aqua.`
54. `04.17.2019 MACOS: fix issue with analysis filedialog macro and MacOS Aqua.`
55. `04.22.2019 GUI: rotate image and change colorbar now uses full render algorithm.`
56. `04.23.2019 MASK: default systems is now WCS (similar to RGB).`
57. `04.25.2019 MASK: fixed an issue with mask and backups.`
58. `04.25.2019 BACKUP: fixed an issue with reading version 6.x backup files.`
59. `04.25.2019 CUBE: add 'get cube coordsys command'`
60. `05.02.2019 XPA: fix -xpa command issue.`
61. `05.02.2019 CUBE: fix an issue with updating the current slice via the dialog slider.`
62. `05.02.2019 REGION: fixed histogram analysis plot if region off image.`
63. `05.03.2019 REGION: fixed statistics dialog if region off image.`
64. `05.07.2019 SAMP: removed previous added -keepalive to http::geturl calls except for URL cda.harvard.edu.`
65. `05.08.2019 GUI: display 3d coordinates in infobox if available for all types of frames.`
66. `05.08.2019 DARWIN: reposition window to upper left corner if X11 and Darwin for SaveAs and Movie.`
67. `05.10.2019 AST: update to version 8.7.1.`
68. `05.13.2019 OPENSSL: DS9 now links against its own version of openssl and no longer is dependent upon system libs.`
69. `05.15.2019 RELEASE version 8.1b1`
70. `05.28.2019 URL: more tolerant of mime types when downloading via http.`
71. `06.04.2019 COLORBAR: fixed a number of issues with updating the screen with color tags active.`
72. `06.05.2019 GUI: colobar cmds load/save errors now report via Error proc.`
73. `06.19.2019 RGB: fixed an issue introduced in 8.1b1 in which a bad fits file loaded into RGB frame would not generate an error message.`
74. `06.19.2019 PREFS: screen for old pbuttons vars which may have been passed along from previous prefs files before processing the buttons.`
75. `07.01.2019 SKYBOT: fixed an issue with keyword EXPTIME/EXP_TIME if present.`
76. `07.01.2019 PLOT3D: simplify code for generating plot3d cursor.`
77. `07.03.2019 GUI: lock down geometry at startup so that unneeded configure events are not generated, a problem with recent versions of linux.`
78. `07.17.2019 PREFS: new -prefs yes/no command line option.`
79. `07.18.2019 PANDA: fix radial analysis.`
80. `07.31.2019 PLOT: add new multiple graphs per plot.`
81. `07.31.2019 PLOT: add new add/select/delete graph.`
82. `07.31.2019 PLOT: add new /select/delete dataset.`
83. `07.31.2019 PLOT: add new layout grid|row|column|strip.`
84. `07.31.2019 PARSER: update all parsers to accept british spelling of COLOUR.`
85. `08.12.2019 TCL/TK: update to version 8.6.10rc`
86. `08.12.2019 GUI: pan and crop image now uses full render algorithm.`
87. `08.12.2019 GUI: create/edit regions now uses full render algorithm.`
88. `08.13.2019 RELEASE version 8.1b2`
89. `08.14.2019 PARSER: fixed a minor issue with -bg gray command.`
90. `08.26.2019 SIA: add Hubble Legacy Archive SIA.`
91. `09.24.2019 PLOT: fixed a problem with marker analysis plots and axes titles disappearing.`
92. `09.24.2019 PLOT: fixed a problem with rotated text and postscript.`
93. `09.27.2019 TCL/TK: updated again to version 8.6.10rc`
94. `10.03.2019 GUI: add key short cut 'z' Zoom In, 'Z' Zoom Out.`
95. `10.10.2019 CUBE: dialog support for up to 9 axes.`
96. `10.25.2019 MACOS: full support for 'Dark Mode'.`
97. `10.28.2019 CATALOG: fixed highlighted marker issue.`
98. `10.25.2019 SAVEIMAGE: fixed a problem with MacOS support.`
99. `10.25.2019 CATALOG: fixed a problem with MacOS support.`
100. `10.31.2019 RELEASE version 8.1rc`
101. `11.06.2019 WCS: fixed a problem with the WCS dialog up and clicking Exit.`
102. `11.06.2019 WCS: look for WCSNAMEP=PHYSCIAL in current header, not the original header, so WCS mapping to PHYSICAL coordinates works when editing.`
103. `11.08.2019 REGION: fixed a problem with marker analysis plot3d.`
104. `11.08.2019 REGION: update marker analysis histogram plot when changing current slice.`
105. `12.17.2019 RELEASE version 8.1`