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+Release Notes for Version 2.68
+
+Floating point exceptions in OpenGL libraries are now masked.
+A normalization used to render tubes was fixed. A Label align(Label,dir)
+function was added for aligning label normals. A new settings.compress=true
+option controls PDF image compression. A bool isometry(transform) function
+was added. Various bugs in the geometry module were fixed.
+The transpose function ignores uninitialized elements.
+Null fields are treated as undefined values in cvs mode and in line mode.
+Uninitialized rendering variables were fixed. A RELEASE variable was added.
+Logarithmic graphs of surfaces are supported. Files are opened
+without assuming an asy suffix. Suport for Ghostscript 9.53 was implemented.
+The end argument of Margin functions is now optional. A function
+cputime().change.clock that returns the high-resolution elapsed wall clock
+time was added. A --disable-curl option was added.
+The centering of slides was fixed. Null characters and null strings are
+supported in the replace function. Configuration without readline support
+was fixed. In binary mode, an entire file can be read into a string.
+The getc function now works properly when reading the NUL character.
+Reproducible builds are supported.
+
Release Notes for Version 2.67
Support was added for importing and inputting URLs. Compilation and 2D SVG