Log Message:
tk: updated to 8.6.8

8.6.8:
(bug)[f1a3ca] Memory leak in [text] B-tree
(bug)[ee40fd] Report [console] init errors
(bug)[3295446] Improve history visibility in [console]
(bug) canvas closed polylines fully honor -joinstyle
(bug)[cc42cc] out of mem crash in tests imgPhoto-18.*
(bug)[3406785] fix coords rounding when drawing canvas items
(bug)[8277e1] linux fontchooser sync with available fonts
(bug)[5239fd] Segfault copying a photo image to itself
(bug)[514ff6] canvas rotated text overlap detection
(bug)[1e0db2] canvas rchars artifacts
(bug)[d9fdfa] display of Long non-wrapped lines in text
(bug)[dd9667] text anchor not set
(bugs) memleaks and other changes for macOS 10.13 support
(bug)[111de2] macOS colorspace improvement
(bug) macOS scrolling issues
(bug) clipping regions in scrolling and drawing on macOS
(bug) macOS redraw artifacts
(bug)[bb6b40] ::tk::AmpMenuArgs and 'entryconf'
(bug)[55b95f] Crash [scale] with a bignum value
(bug)[ce62c8] text-37.1 fails
(bug)[0ef1c5] OS X - tests menu-22.[345] hang
(bug)[c8c52b] repair OBOE in menu.test on macOS
(feature) Implement [wm_iconphoto] on macOS
(bug) display of embedded toplevels
(bug)[73ba07] Correct property type for MULTIPLE conversion
(bug) Memory leak in tkImgPhoto.c.
(bug) Defeat zombie toplevels
(bug) macOS resposive menu bar for command line apps
(bug)[1c659e] support png from mac screenshots
(bug)[de4af1] macOS file selector "all types" setting
(bug) [wm withdraw] on Window and Dock menus
(feature) Drop support for macOS 10.5
(bug)[164c1b] Fixes [raise] on macOS
(bug)[13d63d] macOS support of menu -postcommand
(bug) enable custom icon display on macOS
(bug)[1088805,0feb63] macOS bind failures
(bug)[3382424] Suppress noisy messages on macOS
(new)[TIP 477] nmake build system reform
(bug)[b77626] Make [tk busy -cursor] silent no-op on macOS