One sub issue is that one of my xslt files is failing.  I haven't edited this macro, so not sure why it's failing now on save with a overflow error.  Here's the detail:

version="1.0" encoding="UTF-8"?>
xsl:stylesheet [
  
]>
<xsl:stylesheet
  version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:msxml="urn:schemas-microsoft-com:xslt"
  xmlns:umbraco.library="urn:umbraco.library"
  exclude-result-prefixes="msxml umbraco.library">


  <xsl:output method="xml" omit-xml-declaration="yes"/>

  <xsl:param name="currentPage"/>

  <xsl:template match="/">

    
  
    <xsl:variable name="fixedHref" >
        <xsl:call-template name="fixRssHref">
          <xsl:with-param name="niceUrl">
            <xsl:value-of select="umbraco.library:NiceUrl($currentPage/ancestor-or-self::root//umbBlog/@id)" />
          xsl:with-param>
      xsl:call-template>
    xsl:variable>
    
    
    <link href="{concat($fixedHref, '/rss.aspx')}" rel="alternate" type="application/rss+xml" title="RSS Feed" />
    
    
    <xsl:if test="string-length(umbraco.library:Request('filterby')) > 0">
      <link href="{concat($fixedHref, concat('/rss/tags/',umbraco.library:Request('filterby'),'.aspx'))}" rel="alternate" type="application/rss+xml" title="RSS Feed for tag {umbraco.library:Request('filterby')}" />
    xsl:if>

    
    <link href="{concat($fixedHref, '/commentrss.aspx')}" rel="alternate" type="application/rss+xml" title="Comments RSS Feed" />

    
    <xsl:if test="string($currentPage/umbBlogPost/closeComments) != '1'">
      <xsl:variable name="fixedPostHref" >
        <xsl:call-template name="fixRssHref">
          <xsl:with-param name="niceUrl">
            <xsl:value-of select="umbraco.library:NiceUrl($currentPage/@id)" />
          xsl:with-param>
        xsl:call-template>
      xsl:variable>
      <link href="{concat($fixedPostHref, '/commentrss.aspx')}" rel="alternate" type="application/rss+xml" title="Comments RSS Feed for {$currentPage/@nodeName}" />
    xsl:if>
  xsl:template>

  
  <xsl:template name="fixRssHref">
    <xsl:param name="niceUrl" />
    <xsl:variable name="indexOfAspx" select="umbraco.library:LastIndexOf($niceUrl, '.aspx')" />
    
    <xsl:variable name="fixedHref" >
      <xsl:choose>
        <xsl:when test="$indexOfAspx != -1">
          <xsl:value-of select="umbraco.library:Replace($niceUrl, '.aspx', '')" />
        xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="$niceUrl" />
        xsl:otherwise>
      xsl:choose>
    xsl:variable>

    <xsl:value-of select="$fixedHref" />
    
  xsl:template>
xsl:stylesheet>

Error occured

System.OverflowException: Value was either too large or too small for an Int32. 
at System.Convert.ToInt32(Double value) 
at System.Double.System.IConvertible.ToInt32(IFormatProvider provider) 
at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) 
at System.Xml.Xsl.Runtime.XmlQueryRuntime.ChangeTypeXsltArgument(XmlQueryType xmlType, Object value, Type destinationType) 
at System.Xml.Xsl.Runtime.XmlQueryContext.InvokeXsltLateBoundFunction(String name, String namespaceUri, IList`1[] args) 
at (XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime) 
at Root(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime) 
at Execute(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime) 
at System.Xml.Xsl.XmlILCommand.Execute(Object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlSequenceWriter results) 
at System.Xml.Xsl.XmlILCommand.Execute(Object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter writer) 
at System.Xml.Xsl.XslCompiledTransform.Transform(IXPathNavigable input, XsltArgumentList arguments, XmlWriter results, XmlResolver documentResolver) 
at System.Xml.Xsl.XslCompiledTransform.Transform(IXPathNavigable input, XsltArgumentList arguments, TextWriter results) 
at umbraco.presentation.webservices.codeEditorSave.SaveXslt(String fileName, String oldName, String fileContents, Boolean ignoreDebugging

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